MD/PA Sandy Supplemental Lidar - Classified LAS 1.2

• Identification_Information
• Data_Quality_Information
• Spatial_Data_Organization_Information
• Spatial_Reference_Information
• Distribution_Information
• Distributor 1
• Distribution_Information
• Metadata_Reference_Information

Identification_Information:

Citation:

Citation_Information:

Originator:Woolpert

Publication_Date:20151030

Title:

MD/PA Sandy Supplemental Lidar - Classified LAS 1.2

Geospatial_Data_Presentation_Form:Lidar point cloud

Description:

Abstract:

MD/PA Sandy Supplemental Lidar Data Acquisition and Processing Production Task USGS 
Contract No. G10PC00057 
Task Order No. G14PD00397
Woolpert Order No. 74333
CONTRACTOR: Woolpert, Inc. 

This task is for a high resolution data set of lidar covering approximately 1,845 square miles. The lidar data was acquired and processed under the requirements identified in this task order. Lidar data is a remotely sensed high resolution elevation data collected by an airborne platform. The lidar sensor uses a combination of laser range finding, GPS positioning, and inertial measurement technologies. The lidar systems collect data point clouds that are used to produce highly detailed Digital Elevation Models (DEMs) of the earth's terrain, man-made structures, and vegetation. The task required the LiDAR data to be collected at a nominal pulse spacing (NPS) of 0.7 meters. The final products include classified LAS, one (1) meter pixel raster DEMs of the bare-earth surface in ERDAS IMG Format, and 8-bit intensity images. Each LAS file contains lidar point information, which has been calibrated, controlled, and classified. Additional deliverables include hydrologic breakline data, control data, tile index, lidar processing and survey reports in PDF format, FGDC metadata files for each data deliverable in .xml format, and LAS swath data. Ground conditions: Water at normal levels; no unusual inundation; no snow; leaf off. Coastal tiles 18SVH065720 and 8SVH095690 contain no lidar points as they exist completely in water.  A DEM IMG was generated for these two tiles as the digitized hydro breakline assumed the data extent in the area.  As such only 2568 LAS and Intensity files will be delivered along with 2570 DEM IMG's.

Purpose:

The purpose of this project is for lidar mapping services in support of the USGS for task name MD/PA Sandy Supplemental Lidar Task Order

Time_Period_of_Content:

Time_Period_Information:

Multiple_Dates/Times:

Single_Date/Time:

Calendar_Date:20141207

Time of Day:unknown

Single_Date/Time:

Calendar_Date:20141215

Time of Day:unknown

Single_Date/Time:

Calendar_Date:20141217

Time of Day:unknown

Single_Date/Time:

Calendar_Date:20141218

Time of Day:unknown

Single_Date/Time:

Calendar_Date:20141219

Time of Day:unknown

Single_Date/Time:

Calendar_Date:20141220

Time of Day:unknown

Single_Date/Time:

Calendar_Date:20141221

Time of Day:unknown

Single_Date/Time:

Calendar_Date:20141226

Time of Day:unknown

Single_Date/Time:

Calendar_Date:20141227

Time of Day:unknown

Single_Date/Time:

Calendar_Date:20141229

Time of Day:unknown

Single_Date/Time:

Calendar_Date:20141230

Time of Day:unknown

Single_Date/Time:

Calendar_Date:20141231

Time of Day:unknown

Single_Date/Time:

Calendar_Date:20150102

Time of Day:unknown

Currentness_Reference:

ground condition

Status:

Progress:Complete

Maintenance_and_Update_Frequency:As needed

Spatial_Domain:

Bounding_Coordinates:

West_Bounding_Coordinate:-77.332189

East_Bounding_Coordinate:-75.351858

North_Bounding_Coordinate:40.247437

South_Bounding_Coordinate:38.560240

Keywords:

Theme:

Theme_Keyword_Thesaurus:None

Theme_Keyword:Lidar

Theme_Keyword:Classified LAS 1.2

Place:

Place_Keyword_Thesaurus:None

Place_Keyword:United States

Place_Keyword:MD

Place_Keyword:PA

Place_Keyword:Kent

Place_Keyword:Talbot

Place_Keyword:Carroll

Place_Keyword:Baltimore

Place_Keyword:Chester

Access_Constraints:No restrictions apply to this data.

Use_Constraints:

None. However, users should be aware that temporal changes may have occurred since this dataset was collected and that some parts of these data may no longer represent actual surface conditions. Users should not use these data for critical applications without a full awareness of its limitations. Acknowledgement of the U.S. Geological Survey would be appreciated for products derived from these data.

Point_of_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization:Woolpert

Contact_Address:

Address_Type:mailing and physical address

Address:

4454 Idea Center Blvd

City:Dayton

State_or_Province:OH

Postal_Code:45430

Country:USA

Contact_Voice_Telephone:(937) 461-5660

Contact_Facsimile_Telephone:(937) 461-0743

Hours_of_Service:8:00 a.m. to 5:00 p.m. Eastern Standard Time

Native_Data_Set_Environment:

Microsoft Windows 7 Version 6.1 (Build 7600); ArcMap 10.2; ArcCatalog 10.2; TerraScan ver. 15.001; TerraModeler ver. 15.001; Geocue 2014.1.21; LP360 2014.1. Approximate size of entire delivery dataset = 2.0TB

Data_Quality_Information:

Logical_Consistency_Report:

All formatted data cover the entire area specified for this project and are validated using a combination of commercial lidar processing software, GIS software, and proprietary programs to ensure proper formatting and loading prior to delivery.

Completeness_Report:

The lidar data is visually inspected for completeness to ensure that are no void areas or missing data.

Positional_Accuracy:

Horizontal_Positional_Accuracy:

Horizontal_Positional_Accuracy_Report:

Compiled to meet 1.182 meters - (Kent(MD) & Talbot(MD)), 1.36 meters  - (Carroll(MD), Baltimore(MD) & Chester(PA)) horizontal accuracy at 95 percent confidence level.

Quantitative_Horizontal_Positional_Accuracy_Assessment:

Horizontal_Positional_Accuracy_Value:1.182 / 1.36 meters

Horizontal_Positional_Accuracy_Explanation:

Lidar system specifications are available in the project report

Vertical_Positional_Accuracy:

Vertical_Positional_Accuracy_Report:

LAS data covering the USGS MD-PA Sandy Lidar 0.7 meter NPS Lidar Task Order was compared to independent survey control points to determine the FVA of the LAS Swath and of the Bare-Earth DEM. In addition, this LAS data was compared to independent supplemental points from categories: Bare Earth Open Terrain, Urban, Tall Weeds/Crops, Brush Lands and Trees, and Forested and Fully Grown. Raw LAS Swath Fundamental Vertical Accuracy (FVA) Tested 0.168 meters fundamental vertical accuracy at a 95 percent confidence level, derived according to NSSDA, in open terrain using 0.079 meters (RMSEz) x 1.96000 as defined by the National Standards for Spatial Data Accuracy (NSSDA); assessed and reported using National Digital Elevation Program (NDEP)/ASPRS Guidelines. Bare-Earth DEM Fundamental Vertical Accuracy (FVA) Tested 0.156 meters fundamental vertical accuracy at a 95 percent confidence level, derived according to NSSDA, in open terrain using 0.08 meters (RMSEz) x 1.96000 as defined by the National Standards for Spatial Data Accuracy (NSSDA); assessed and reported using National Digital Elevation Program (NDEP)/ASPRS Guidelines.

Quantitative_Vertical_Positional_Accuracy_Assessment:

Vertical_Positional_Accuracy_Value:0.168 meters

Vertical_Positional_Accuracy_Explanation:

Raw LAS Swath Fundamental Vertical Accuracy (FVA) Tested 0.168 meters fundamental vertical accuracy at a 95 percent confidence level, derived according to NSSDA, in open terrain using 0.086 (RMSEz) x 1.96000 as defined by the National Standards for Spatial Data Accuracy (NSSDA); assessed and reported using National Digital Elevation Program (NDEP)/ASPRS Guidelines and tested against the TIN using all points.

Quantitative_Vertical_Positional_Accuracy_Assessment:

Vertical_Positional_Accuracy_Value:0.156 meters

Vertical_Positional_Accuracy_Explanation:

Bare-Earth DEM Fundamental Vertical Accuracy (FVA) Tested 0.156 meters fundamental vertical accuracy at a 95 percent confidence level, derived according to NSSDA, in open terrain using 0.08 (RMSEz) x 1.96000 as defined by the National Standards for Spatial Data Accuracy (NSSDA); assessed and reported using National Digital Elevation Program (NDEP)/ASPRS Guidelines and tested against the DEM.

Quantitative_Vertical_Positional_Accuracy_Assessment:

Vertical_Positional_Accuracy_Value:0.072 meters

Vertical_Positional_Accuracy_Explanation:

Urban Land Cover Classification Supplemental Vertical Accuracy (SVA) Tested 0.072 meters supplemental vertical accuracy at the 95th percentile in the Urban supplemental class reported using National Digital Elevation Program (NDEP)/ASPRS Guidelines and tested against the DEM. Urban Errors larger than 95th percentile include:
Point 3012, Easting 439707.135, Northing 4410861.095, Z-Error 0.092 meters
Point 3017, Easting 407915.672, Northing 4340138.976, Z-Error 0.075 meters

Quantitative_Vertical_Positional_Accuracy_Assessment:

Vertical_Positional_Accuracy_Value:0.216 meters

Vertical_Positional_Accuracy_Explanation:

Tall Weeds/Crops Land Cover Classification Supplemental Vertical Accuracy (SVA) Tested 0.216 meters supplemental vertical accuracy at the 95th percentile in the Tall Weeds/Crops supplemental class reported using National Digital Elevation Program (NDEP)/ASPRS Guidelines and tested against the DEM. There were no Tall Weeds/Crops Errors exceeding the 95th percentile. Tall Weeds/Crops Errors at the 95th percentile include:
Point 4013, Easting 410434.749, Northing 4399541.052, Z-Error 0.225 meters
Point 4022, Easting 406202.133, Northing 4288991.591, Z-Error 0.237 meters

Quantitative_Vertical_Positional_Accuracy_Assessment:

Vertical_Positional_Accuracy_Value:0.265 meters

Vertical_Positional_Accuracy_Explanation:

Brushlands/Trees Land Cover Classification Supplemental Vertical Accuracy (SVA) Tested 0.265 meters supplemental vertical accuracy at the 95th percentile in the Brushlands/Trees supplemental class reported using National Digital Elevation Program (NDEP)/ASPRS Guidelines and tested against the DEM. Brushlands/Trees Errors larger than 95th percentile include:
Point 5008, Easting 427424.043, Northing 4436769.384, Z-Error 0.285 meters
Point 5015, Easting 423751.282, Northing 4345809.393, Z-Error 0.267 meters

Quantitative_Vertical_Positional_Accuracy_Assessment:

Vertical_Positional_Accuracy_Value:0.146 meters

Vertical_Positional_Accuracy_Explanation:

Forested and Fully Grown Land Cover Classification Supplemental Vertical Accuracy (SVA) Tested 0.146 meters supplemental vertical accuracy at the 95th percentile in the Forested/Fully Grown supplemental class reported using National Digital Elevation Program (NDEP)/ASPRS Guidelines and tested against the DEM. Forested/Fully Grown Errors larger than 95th percentile include:
Point 6105, Easting 341609.523, Northing 4382972.584, Z-Error 0.176 meters
Point 6106, Easting 327284.969, Northing 4366677.952, Z-Error 0.215 meters
Point 6119, Easting 433697.747, Northing 4349177.806, Z-Error 0.278 meters

Quantitative_Vertical_Positional_Accuracy_Assessment:

Vertical_Positional_Accuracy_Value:0.216 meters

Vertical_Positional_Accuracy_Explanation:

Consolidated Vertical Accuracy (CVA) Tested 0.216 meters consolidated vertical accuracy at the 95th percentile level; reported using National Digital Elevation Program (NDEP)/ASPRS Guidelines and tested against the DEM. CVA is based on the 95th percentile error in all land cover categories combined.
Point 4013, Easting 410434.749, Northing 4399541.052, Z-Error 0.225 meters
Point 4022, Easting 406202.133, Northing 4288991.591, Z-Error 0.237 meters
Point 5006, Easting 334309.503, Northing 4363034.812, Z-Error 0.260 meters
Point 5008, Easting 427424.043, Northing 4436769.384, Z-Error 0.285 meters
Point 5015, Easting 423751.282, Northing 4345809.393, Z-Error 0.267 meters
Point 5022, Easting 410604.081, Northing 4296472.997, Z-Error 0.262 meters
Point 5023, Easting 413132.894, Northing 4299188.462, Z-Error 0.252 meters
Point 5031, Easting 391304.943, Northing 4296874.538, Z-Error 0.250 meters
Point 6119, Easting 433697.747, Northing 4349177.806, Z-Error 0.278 meters

Lineage:

Source_Information:

Source_Citation:

Citation_Information:

Originator:Woolpert

Publication_Date:20151030

Title:

Lidar acquisition

Publication_Information:

Publication_Place:Dayton, OH

Publisher:Woolpert Geospatial Services

Type_of_Source_Media:Lidar dataset

Source_Time_Period_of_Content:

Time_Period_Information:

Single_Date/Time:

Calendar_Date:20141207

Source_Currentness_Reference:

ground condition

Source_Citation_Abbreviation:

MD/PA Sandy Supplemental Lidar

Source_Contribution:

This data set is the project specified acquired point cloud data.

Source_Information:

Source_Citation:

Citation_Information:

Originator:Woolpert

Publication_Date:20151030

Title:

Survey Control Acquistion

Publication_Information:

Publication_Place:Dayton, OH

Publisher:Woolpert Geospatial Services

Type_of_Source_Media:Control dataset

Source_Time_Period_of_Content:

Time_Period_Information:

Single_Date/Time:

Calendar_Date:20150114

Source_Currentness_Reference:

ground condition

Source_Citation_Abbreviation:

MD/PA Sandy Supplemental Lidar

Source_Contribution:

This data set is the project specified acquired ground control and QAQC control data.

Source_Information:

Source_Citation:

Citation_Information:

Originator:Woolpert

Publication_Date:20151030

Title:

Lidar deliverable processing

Publication_Information:

Publication_Place:Dayton, OH

Publisher:Woolpert Geospatial Services

Type_of_Source_Media:Lidar dataset

Source_Time_Period_of_Content:

Time_Period_Information:

Single_Date/Time:

Calendar_Date:20141208

Source_Currentness_Reference:

ground condition

Source_Citation_Abbreviation:

MD/PA Sandy Supplemental Lidar

Source_Contribution:

This data set is the project specified lidar deliverables.

Process_Step:

Process_Description:

Using two Leica ALS70 (lidar) systems on board a Cessna 310 and Cessna 404 aircraft respectively, high density data, at a nominal pulse spacing (NPS) of 0.7 meters, were collected for this task order (approximately 1,813 square miles). Leica Specs - 
For Kent & Talbot (MD):
AGL = 1,981 meters - Aircraft Speed = 150 Knots, Field of View (Full) = 40 degrees, Pulse Rate = 272 kHz, Scan Rate = 41.5 Hz, with an average side lap of 25%. Multiple returns were recorded for each laser pulse along with an intensity value for each return.
For Carroll & Baltimore (MD), Chester (PA):
AGL = 2,286 meters - Aircraft Speed = 150 Knots, Field of View (Full) = 32 degrees, Pulse Rate = 239 kHz, Scan Rate = 40 Hz, with an average side lap of 25%. Multiple returns were recorded for each laser pulse along with an intensity value for each return.Seventeen (17) missions were flown between December 7, 2014 and January 2, 2015. Five (5) Global Navigation Satellite System (GNSS) Base Stations were used in support of the lidar data acquisition. Specific information regarding latitude, longitude, and ellipsoid height to the L1 phase center is included in the lidar processing report. The geoid used to reduce satellite derived elevations to orthometric heights was GEOID12A. Data for the task order is referenced to the UTM Zone 18N, North American Datum of 1983 (2011), and NAVD88, in meters. Once the data acquisition and GPS processing phases are complete, the lidar data was processed immediately to verify the coverage had no voids. The GPS and IMU data was post processed using differential and Kalman filter algorithms to derive a best estimate of trajectory. The quality of the solution was verified to be consistent with the accuracy requirements of the project. The SBET was used to reduce the lidar slant range measurements to a raw reflective surface for each flight line. The coverage was classified to extract a bare earth digital elevation model (DEM) and separate last returns. The ALS70 calibration and system performance is verified on a periodic basis using Woolpert's calibration range. The calibration range consists of a large building and runway. The edges of the building and control points along the runway have been located using conventional survey methods. Inertial measurement unit (IMU) misalignment angles and horizontal accuracy are calculated by comparing the position of the building edges between opposing flight lines. The scanner scale factor and vertical accuracy is calculated through comparison of lidar data against control points along the runway. Field calibration is performed on all flight lines to refine the IMU misalignment angles. IMU misalignment angles are calculated from the relative displacement of features within the overlap region of adjacent (and opposing) flight lines. The raw lidar data is reduced using the refined misalignment angles.

Source_Used_Citation_Abbreviation:

MD/PA Sandy Supplemental Lidar - Acquisition

Process_Date:20141207

Process_Time:1200

Process_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization:Woolpert, Inc.

Contact_Position:Geospatial Services

Contact_Address:

Address_Type:mailing and physical address

Address:

4454 Idea Center Blvd.

City:Dayton

State_or_Province:OH

Postal_Code:45430

Country:USA

Contact_Voice_Telephone:(937) 461-5660

Contact_Facsimile_Telephone:(937) 461-0743

Hours_of_Service:8:00 a.m. to 5:00 p.m. Eastern Time

Process_Step:

Process_Description:

The field crews utilized VRS RTK GPS by logging into the KeyNet RTK GPS Network to obtain real
time corrections of the collected GPS data. This is a technique used in land surveying based on the use of
carrier phase measurements of the GPS and GLONASS signals where a network calculated reference
station provides the real-time corrections, providing up to centimeter-level accuracy. This methodology
allowed for efficient survey grade observations for sensor calibrations and ground-truthing. Woolpert
Woolpert, Inc. Sandy Supplemental
March 2015 MD / PA QL2 Lidar
USGS/NGTOC Section 1: Page 3 of 3
utilized a single Trimble Navigation R8 dual-frequency geodetic GPS receiver at the rover end of the
vector for this task. The survey was conducted using a 1-second epoch rate, in a fixed solution RTK
mode with each GPS session lasting 120 epochs to 180 epochs

Source_Used_Citation_Abbreviation:

MD/PA Sandy Supplemental Lidar - Acquisition ground control and QAQC control Acquisition

Process_Date:20150114

Process_Time:1200

Process_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization:Woolpert, Inc.

Contact_Position:Geospatial Services

Contact_Address:

Address_Type:mailing and physical address

Address:

4454 idea Center Blvd.

City:Dayton

State_or_Province:OH

Postal_Code:45430

Country:USA

Contact_Voice_Telephone:(937) 461-5660

Contact_Facsimile_Telephone:(937) 461-0743

Hours_of_Service:8:00 a.m. to 5:00 p.m. Eastern Time

Process_Step:

Process_Description:

The individual flight lines were inspected to ensure the systematic and residual errors have been identified and removed. Then, the flight lines were compared to adjacent flight lines for any mismatches to obtain a homogenous coverage throughout the project area. The point cloud underwent a classification process to determine bare-earth points and non-ground points utilizing "first and only" as well as "last of many" lidar returns. This process determined Default (Class 1), Ground (Class 2), Noise (Class 7), Water (Class 9), Ignored Ground (Class 10), Overlap Default (Class 17) and Overlap Ground (Class 18). The bare-earth (Class 2 - Ground) lidar points underwent a manual QA/QC step to verify the quality of the DEM as well as a peer-based QC review. This included a review of the DEM surface to remove artifacts and ensure topographic quality. Classification of water (class 9) and ignored ground (class 10) was completed via the use of the hydrologic breaklines collected for the hydro-flattening phase. The overlap classes were determined by first identifying the overlapping areas and reclassifying the LAS data by offset from a corridor. This allows the returns located on the edge of the swath to be removed from the bare earth coverage in an effort to produce a more uniform data density. The returns determined to be overlap including overlap default, ground, water, and ignored ground are then applied an overlap flag and reclassified to their respective standard classification value.. The surveyed ground control points are used to make vertical adjustments to the data set and to perform the accuracy checks and statistical analysis of the lidar dataset. Supervisory QC monitoring of work in progress and completed editing ensured consistency of classification character and adherence to project requirements across the entire project area. The resulting deliverables for this task order consist of classified LAS file in LAS 1.2 format, Raw Swath LAS files in LAS 1.2 format, 1 meter pixel size DEM files in ERDAS IMG format, 1 meter pixel size 8-bit Intensity files in GeoTIFF format, and Hydrologic Breakline data in ESRI shape file format.

Source_Used_Citation_Abbreviation:

MD/PA Sandy Supplemental Lidar - Deliverable Processing

Process_Date:20141208

Process_Time:1200

Process_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization:Woolpert, Inc.

Contact_Position:Geospatial Services

Contact_Address:

Address_Type:mailing and physical address

Address:

4454 Idea Center Blvd.

City:Dayton

State_or_Province:OH

Postal_Code:45430

Country:USA

Contact_Voice_Telephone:(937) 461-5660

Contact_Facsimile_Telephone:(937) 461-0743

Hours_of_Service:8:00 a.m. to 5:00 p.m. Eastern Time

Spatial_Data_Organization_Information:

Direct_Spatial_Reference_Method:Point

Spatial_Reference_Information:

Horizontal_Coordinate_System_Definition:

Planar:

Map_Projection:

Map_Projection_Name:NAD 1983 2011 UTM Zone 18N

Transverse_Mercator:

NAD 1983 2011 UTM Zone 18N

Scale_Factor_at_Central_Meridian:0.9996

Longitude_of_Central_Meridian:-75.0

Latitude_of_Projection_Origin:0.0

False_Easting:500000.0

False_Northing:0.0

Planar_Coordinate_Information:

Planar_Coordinate_Encoding_Method:coordinate pair

Coordinate_Representation:

Abscissa_Resolution:1

Ordinate_Resolution:1

Planar_Distance_Units:meter

Geodetic_Model:

Horizontal_Datum_Name:D North American 1983

Ellipsoid_Name:GRS 1980

Semi-major_Axis:6378137.0

Denominator_of_Flattening_Ratio:298.257222101

Vertical_Coordinate_System_Definition:

Altitude_System_Definition:

Altitude_Datum_Name:North American Vertical Datum of 1988(GEOID12A)

Altitude_Resolution:0.000100

Altitude_Distance_Units:meters

Altitude_Encoding_Method:Explicit elevation coordinate included with horizontal coordinates

Distribution_Information:

Distributor:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization:USGS/NGTOC

Contact_Address:

Address_Type:mailing and physical address

Address:

1400 Independence Rd.

City:Rolla

State_or_Province:MO

Postal_Code:65401

Country:USA

Contact_Voice_Telephone:(573) 308-3587

Contact_Facsimile_Telephone:Unknown

Hours_of_Service:Unknown

Resource_Description:Downloadable Data

Distribution_Liability:

Woolpert prepared the original data as set forth in the Scope of Services, in accordance with reasonable care and due diligence as set forth in this Agreement, however, due to the easily alterable nature of electronic media, files, documents, and other deliverables, Woolpert, Inc. makes no warranties, either expressed or implied, with respect to the accuracy, completeness, merchantability, or fitness for any particular purpose, including, but not limited to, use of any/all data as described within this metadata file, by any user of this data. Any use will be at the end-user’s sole risk.

Available_Time_Period:

Time_Period_Information:

Single_Date/Time:

Calendar_Date:unknown

Time of Day:unknown

Distribution_Information:

Distributor:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization:Pennsylvania Spatial Data Access (PASDA)

Contact_Address:

Address_Type:mailing and physical address

Address:

115 Land and Water building

City:University Park

State_or_Province:Pennsylvania

Postal_Code:16802

Country:United States

Contact_Voice_Telephone:(814) 865 - 8792

Contact_Electronic_Mail_Address:pasda@psu.edu

Distribution_Liability:

The USER shall indemnify, save harmless, and, if requested, defend those parties involved with the development and distribution of this data, their officers, agents, and employees from and against any suits, claims, or actions for injury, death, or property damage arising out of the use of or any defect in the FILES or any accompanying documentation. Those parties involved with the development and distribution excluded any and all implied warranties, including warranties or merchantability and fitness for a particular purpose and makes no warranty or representation, either express or implied, with respect to the FILES or accompanying documentation, including its quality, performance, merchantability, or fitness for a particular purpose. The FILES and documentation are provided "as is" and the USER assumes the entire risk as to its quality and performance. Those parties involved with the development and distribution of this data will not be liable for any direct, indirect, special, incidental, or consequential damages arising out of the use or inability to use the FILES or any accompanying documentation.

Metadata_Reference_Information:

Metadata_Date:20151030

Metadata_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization:Woolpert

Contact_Address:

Address_Type:mailing and physical address

Address:

4454 Idea Center Blvd.

City:Dayton

State_or_Province:OH

Postal_Code:45430

Country:USA

Contact_Voice_Telephone:(937) 461-5660

Contact_Facsimile_Telephone:(937) 461-0743

Hours_of_Service:8:00 a.m. to 5:00 p.m. Eastern Time

Metadata_Standard_Name:FGDC Content Standards for Digital Geospatial Metadata

Metadata_Standard_Version:FGDC-STD-001-1998

Metadata_Time_Convention:local time

Metadata_Security_Information:

Metadata_Security_Classification_System:Unclassified

Metadata_Security_Classification:Unclassified

Metadata_Security_Handling_Description:

Unclassified