Topographic Lidar Survey of the Alabama, Mississippi, and Southeast Louisiana Barrier Islands, from September 5 to October 11, 2012 -- Classified Point Data

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Metadata:

Identification_Information
Data_Quality_Information
Spatial_Data_Organization_Information
Spatial_Reference_Information
Entity_and_Attribute_Information
Distribution_Information
Metadata_Reference_Information

Identification_Information:

Citation:

Citation_Information:

Originator: U.S. Geological Survey
Publication_Date: 20131108
Title:

Topographic Lidar Survey of the Alabama, Mississippi, and Southeast Louisiana Barrier Islands, from September 5 to October 11, 2012 -- Classified Point Data

Geospatial_Data_Presentation_Form: binary point cloud
Series_Information:

Series_Name: U.S. Geological Survey Data Series
Issue_Identification: 839

Publication_Information:

Publication_Place: St. Petersburg, Fla.
Publisher: U.S. Geological Survey

Online_Linkage: http://pubs.usgs.gov/ds/0839

Description:

Abstract:

This Data Series Report contains lidar elevation data collected September 5 to October 11, 2012, for the barrier islands of Alabama, Mississippi and southeast Louisiana, including the coast near Port Fourchon. Most of the data were collected September 5-10, 2012, with a reflight conducted on October 11, 2012, to increase point density in some areas. Lidar data exchange format (LAS) 1.2 formatted point data files were generated based on these data. The point cloud data were processed to extract bare earth data; therefore, the point cloud data are organized into only four classes: 1-unclassified, 2-ground, 7-noise and 9-water. Aero-Metric, Inc., was contracted by the U.S. Geological Survey (USGS) to collect and process these data. The lidar data were collected at a nominal pulse spacing (NPS) of 1.0 meter (m). The horizontal projection and datum of the data are Universe Transverse Mercator, zones 15N and 16N, North American Datum 1983 (UTM Zone 15N or 16N NAD83), meters. The vertical datum is North American Vertical Datum 1988, Geoid 2012 (NAVD88, GEOID12), meters. These lidar data are available to Federal, State and local governments, emergency-response officials, resource managers, and the general public.

Purpose:

The lidar survey was acquired to document the changes of several different barrier island systems resulting from Hurricane Isaac. This survey supports detailed studies of Louisiana, Mississippi and Alabama barrier islands that resolve annual and episodic changes in beaches, berms and dunes associated with processes driven by storms, sea-level rise, and even human restoration activities.

Supplemental_Information:

Lidar data acquisition, calibration, and follow-on processing were completed by Aero-Metric, Inc. Aero-Metric was contracted by the USGS to conduct the work. The file naming convention is based on a 2-kilometer (km) by 2-km tiling scheme. The geographic extent of each tile falls on even 2000 x and y UTM zone 15N or 16N, NAD83, meters, coordinates. The first two digits of the file name represent the UTM zone. The last eight digits are based on the lower-left (LL) xy coordinates of the tile. For example, tile name 15_69802160 uses 6980 to represent an LL x-coordinate of 698,000, and uses 2160 to represent an LL y-coordinate of 3,216,000 (ignoring the first digit).

Time_Period_of_Content:

Time_Period_Information:

Range_of_Dates/Times:

Beginning_Date: 20120905
Ending_Date: 20121011

Currentness_Reference: ground condition

Status:

Progress: Complete
Maintenance_and_Update_Frequency: None planned

Spatial_Domain:

Bounding_Coordinates:

West_Bounding_Coordinate: -90.975
East_Bounding_Coordinate: -88.065
North_Bounding_Coordinate: 30.256
South_Bounding_Coordinate: 29.036

Keywords:

Theme:

Theme_Keyword_Thesaurus: USGS Metadata Identifier
Theme_Keyword: USGS:bf46d9d3-fa43-4c64-94f3-98547051c84a

Theme:

Theme_Keyword_Thesaurus: None
Theme_Keyword: barrier islands
Theme_Keyword: Hurricane Isaac
Theme_Keyword: Light Detection and Ranging
Theme_Keyword: lidar
Theme_Keyword: model
Theme_Keyword: remote sensing
Theme_Keyword: elevation data
Theme_Keyword: bare earth
Theme_Keyword: hydrology
Theme_Keyword: laser altimetry
Theme_Keyword: LAS

Theme:

Theme_Keyword_Thesaurus: Global Change Master Science Directory (GCMD)
Theme_Keyword: LAND SURFACE > TOPOGRAPHY > TERRAIN ELEVATION
Theme_Keyword: OCEAN > COASTAL PROCESSES > BARRIER ISLANDS
Theme_Keyword: COASTAL PROCESSES > BEACHES
Theme_Keyword:

DOI/USGS/CMG > COASTAL AND MARINE GEOLOGY, U.S. GEOLOGICAL SURVEY, U.S. DEPARTMENT OF INTERIOR

Theme:

Theme_Keyword_Thesaurus: GCMD Instrument
Theme_Keyword: LIDAR > LIGHT DETECTION AND RANGING

Theme:

Theme_Keyword_Thesaurus: Data Categories for Marine Planning
Theme_Keyword: distributions
Theme_Keyword: bathymetry and elevation

Theme:

Theme_Keyword_Thesaurus: Marine Realms Information Bank (MRIB) Keywords
Theme_Keyword: altimetry
Theme_Keyword: topographic mapping

Theme:

Theme_Keyword_Thesaurus: USGS Thesaurus
Theme_Keyword: LIDAR
Theme_Keyword: topography
Theme_Keyword: digital elevation models

Place:

Place_Keyword_Thesaurus: None
Place_Keyword: Alabama
Place_Keyword: Mississippi
Place_Keyword: Louisiana
Place_Keyword: Gulf of Mexico
Place_Keyword: Barrier Islands
Place_Keyword: Gulf of Mexico Barrier Islands
Place_Keyword: Raccoon Island
Place_Keyword: Trinity Island
Place_Keyword: Isles Dernieres
Place_Keyword: Timbalier Island
Place_Keyword: East Timbalier Island
Place_Keyword: Port Fourchon
Place_Keyword: Elmers Island
Place_Keyword: Grand Isle
Place_Keyword: Grand Terre Island
Place_Keyword: Bastian Island
Place_Keyword: Pelican Island
Place_Keyword: Stake Island
Place_Keyword: Grand Gosier Island
Place_Keyword: Breton Island
Place_Keyword: Chandeleur Islands
Place_Keyword: Cat Island
Place_Keyword: Ship Island
Place_Keyword: Horn Island
Place_Keyword: Petit Bois Island
Place_Keyword: Dauphin Island
Place_Keyword: United States

Temporal:

Temporal_Keyword_Thesaurus: General
Temporal_Keyword: 2012

Access_Constraints: None.
Use_Constraints:

None. However, users should be aware that temporal changes may have occurred since this dataset was collected and some parts of this data may no longer represent surface conditions. Users should not use this data for critical applications without a full awareness of its limitations. Acknowledgment 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: U.S. Geological Survey
Contact_Person: Nathaniel Plant

Contact_Address:

Address_Type: mailing and physical
Address: 600 4th St. S.
City: St. Petersburg
State_or_Province: FL
Postal_Code: 33701
Country: USA

Contact_Voice_Telephone: 727-803-8747
Contact_Facsimile_Telephone: 727-803-2031
Contact_Electronic_Mail_Address: nplant@usgs.gov
Hours_of_Service:

Monday through Friday 9:00 AM to 5:00 PM (Eastern Time) Dataset_Credit: Acknowledgment of the U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center, as a data source would be appreciated in products developed from these data, and such acknowledgment as is standard for citation and legal practices. Sharing of new data layers developed directly from these data would also be appreciated by the U.S. Geological Survey staff. Users should be aware that comparisons with other datasets for the same area from other time periods may be inaccurate due to inconsistencies resulting from changes in photointerpretation, mapping conventions, and digital processes over time. These data are not legal documents and are not to be used as such. Native_Dataset_Environment: Contractor: Aero-Metric, Inc. 1. Scanner - Optech 3100 Serial 05SEN175 and Leica ALS70 SN7169 2. Processing Programs and versions - Applanix - POSGPS and POSProc, versions 4.4, MMS version 5.2 3. Program and version - Optech ASDA 4. Processing Programs and versions - TerraSolid TerraScan (version 012.016), TerraModeler (version 012.008) and TerraMatch (version 012.009), Intergraph MicroStation (version 08.05.02.55), and GeoCue (version 2011.1.20.4). 5. Viewing Program - GlobalMapper V13.00

Data_Quality_Information:

Logical_Consistency_Report:

The classified LAS files were tested by Aero-Metric for vertical and horizontal accuracy.

Completeness_Report: Complete.
Positional_Accuracy:

Horizontal_Positional_Accuracy:

Horizontal_Positional_Accuracy_Report:

Area data products collected with the Optech 3100 or Leica ALS70 were acquired at or below 1200 m above mean terrain (AMT) and have a horizontal accuracy of 0.218 m, per manufacturer's system specifications, with a nominal point spacing of 1.0 m.

Vertical_Positional_Accuracy:

Vertical_Positional_Accuracy_Report:

The USGS conducted ground surveys in a small area on Chandeleur Island on September 6, 2012, one on bare earth and another in mixed bare earth and vegetated areas. The USGS calculated a vertical root mean square error (RMSEz) of 0.072 m (m) and an offset of 0.007 m using interpolated 2-m by 2-m resolution grid surfaces made from lidar bare-earth data and the combined USGS ground surveys. The contractor was required to achieve a fundamental vertical accuracy (FVA) of 24.5 centimeters (cm), 95 percent (12.5 cm RMSEz); a consolidated vertical accuracy (CVA) of 36.3 cm, 95th percentile; and a target value for supplemental vertical accuracies (SVA) of 36.3 cm, 95th percentile. Aero-Metric's vertical accuracy assessment was as follows: The FVA of the LAS swath data achieved 5.0 cm at a 95 percent confidence level with an RMSEz of 2.5 cm utilizing (2280) ground survey check points provided by the USGS. The SVA results in an area of open terrain achieved 4.8 cm at the 95th percentile where (2280) ground survey check points provided by the USGS were evaluated. The SVA results in an area of vegetation achieved 10.7 cm at the 95th percentile where (2421) ground survey check points provided by the USGS were evaluated. The CVA results for all land cover classes, ground and vegetation combined, achieved 7.3 cm at the 95th percentile where (4700) checkpoints were evaluated. The USGS also conducted a terrestrial lidar survey on Dauphin Island, Louisiana, on September 3, 2012. The USGS calculated an RMSEz of 0.32 m and an offset of 0.27 m using interpolated 2-m by 2-m resolution grid surfaces from the airborne lidar bare-earth data and the terrestrial lidar survey.

Lineage:

Source_Information:

Source_Citation:

Citation_Information:

Originator: Aero-Metric, Inc.
Publication_Date: 20130124
Title: Lidar Raw Data for Gulf of Mexico Barrier Islands
Geospatial_Data_Presentation_Form: lidar data
Publication_Information:

Publication_Place: Aero-Metric, Inc.
Publisher: Aero-Metric, Inc., Aerial LiDAR Department

Type_of_Source_Media: digital hard drive
Source_Time_Period_of_Content:

Time_Period_Information:

Range_of_Dates/Times:

Beginning_Date: 20120905
Ending_Date: 20121011

Source_Currentness_Reference: ground condition

Source_Citation_Abbreviation: Raw Lidar Data
Source_Contribution:

This data source was used to populate the lidar point cloud data. This dataset is not included in this Data Series Report.

Source_Information:

Source_Citation:

Citation_Information:

Originator: U.S. Geological Survey
Publication_Date: 2012
Title: Ground Control Points

Type_of_Source_Media: digital hard drive
Source_Time_Period_of_Content:

Time_Period_Information:

Range_of_Dates/Times:

Beginning_Date: 20120903
Ending_Date: 20120906

Source_Currentness_Reference: ground condition

Source_Citation_Abbreviation: Ground Control Points
Source_Contribution:

This data source was used in lidar processing and accuracy assessment. This dataset is not included in this Data Series Report.

Process_Step:

Process_Description:

Lidar Pre-Processing: The point cloud data was imported into TerraScan in a Microstation V8 (V) CAD environment on a specified 2000 m by 2000 m tiling scheme. The data were analyzed for overall completeness and consistency. The data were then inspected for calibration errors with TerraMatch software. This was accomplished by sampling the data collected across all flight lines and classifying the individual lines to ground. The software used the ground-classified lines to compute calibration corrections for heading, pitch, roll, and scale, which were then applied to the dataset. USGS ground surveys from a small area on the Chandeleur Islands, Louisiana, were used to test the accuracy of the lidar ground surface. TerraScan's Output Control Report (OCR) was used to compare the quality assurance/quality control (QA/QC) data to the lidar data. This routine searches the lidar dataset by x,y coordinates, finds the closest lidar point and compares the vertical (z) values to the known data collected in the ground survey. Based on the QA/QC data, necessary bias adjustments were made to the lidar data.

Source_Used_Citation_Abbreviation: Raw Lidar Data
Source_Used_Citation_Abbreviation: Ground Control Points
Process_Date: 20121001
Source_Produced_Citation_Abbreviation: Calibrated Lidar Datasets
Process_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: Aero-Metric, Inc.

Contact_Address:

Address_Type: mailing and physical
Address: 4020 Technology Parkway
City: Sheboygan
State_or_Province: WI
Postal_Code: 53083
Country: USA

Contact_Voice_Telephone: 920-457-3631
Contact_Facsimile_Telephone: 920-457-4010

Process_Step:

Process_Description:

Lidar Ground Classification: Automatic ground classification was performed using algorithms with customized parameters to best fit the project area. Areas of varying relief and planimetric features were inspected to verify the ground classification. Each tile was reviewed for accuracy and consistency.

Source_Used_Citation_Abbreviation: Calibrated Lidar Datasets
Process_Date: 20121001
Source_Produced_Citation_Abbreviation: Classified Lidar Datasets
Process_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: Aero-Metric, Inc.

Contact_Address:

Address_Type: mailing and physical
Address: 4020 Technology Parkway
City: Sheboygan
State_or_Province: WI
Postal_Code: 53083
Country: USA

Contact_Voice_Telephone: 920-457-3631
Contact_Facsimile_Telephone: 920-457-4010

Process_Step:

Process_Description:

Keywords section of metadata optimized for discovery in USGS Coastal and Marine Geology Data Catalog.

Process_Date: 20170104
Process_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: U.S. Geological Survey
Contact_Person: Alan O. Allwardt

Contact_Position: Contractor -- Information Specialist
Contact_Address:

Address_Type: mailing and physical address
Address: 2885 Mission Street
City: Santa Cruz
State_or_Province: CA
Postal_Code: 95060

Contact_Voice_Telephone: 831-460-7551
Contact_Facsimile_Telephone: 831-427-4748
Contact_Electronic_Mail_Address: aallwardt@usgs.gov

Process_Step:

Process_Description:

Added keywords section with USGS persistent identifier as theme keyword.

Process_Date: 20201013
Process_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: U.S. Geological Survey
Contact_Person: VeeAnn A. Cross

Contact_Position: Marine Geologist
Contact_Address:

Address_Type: Mailing and Physical
Address: 384 Woods Hole Road
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543-1598

Contact_Voice_Telephone: 508-548-8700 x2251
Contact_Facsimile_Telephone: 508-457-2310
Contact_Electronic_Mail_Address: vatnipp@usgs.gov

Spatial_Data_Organization_Information:

Indirect_Spatial_Reference: Tile Index
Direct_Spatial_Reference_Method: Point
Point_and_Vector_Object_Information:

SDTS_Terms_Description:

SDTS_Point_and_Vector_Object_Type: Point

Spatial_Reference_Information:

Horizontal_Coordinate_System_Definition:

Planar:

Grid_Coordinate_System:

Grid_Coordinate_System_Name: Universal Transverse Mercator
Universal_Transverse_Mercator:

UTM_Zone_Number: 16
Transverse_Mercator:

Scale_Factor_at_Central_Meridian: 0.9996
Longitude_of_Central_Meridian: -87.000000
Latitude_of_Projection_Origin: 0.0
False_Easting: 500000
False_Northing: 0.0

Planar_Coordinate_Information:

Planar_Coordinate_Encoding_Method: coordinate pair
Coordinate_Representation:

Abscissa_Resolution: 0.01
Ordinate_Resolution: 0.01

Planar_Distance_Units: meters

Geodetic_Model:

Horizontal_Datum_Name: North American Datum of 1983
Ellipsoid_Name: Geodetic Reference System 80
Semi-major_Axis: 6378137
Denominator_of_Flattening_Ratio: 298.257222101

Vertical_Coordinate_System_Definition:

Altitude_System_Definition:

Altitude_Datum_Name: North American Vertical Datum of 1988
Altitude_Resolution: 0.01
Altitude_Distance_Units: meters
Altitude_Encoding_Method:

Explicit elevation coordinate included with horizontal coordinates

Entity_and_Attribute_Information:

Detailed_Description:

Entity_Type:

Entity_Type_Label: *.las
Entity_Type_Definition:

LAS 1.2 files. The asterisk represents the file name (see Supplemental Information section).

Entity_Type_Definition_Source: Internally devised naming convention.

Attribute:

Attribute_Label: X
Attribute_Definition: UTM zone 16N NAD83 easting in meters
Attribute_Definition_Source: UTM zone 16N NAD83 coordinate system
Attribute_Domain_Values:

Unrepresentable_Domain: varying value range

Attribute:

Attribute_Label: Y
Attribute_Definition: UTM zone 16N NAD83 northing in meters
Attribute_Definition_Source: UTM zone 16N NAD83 coordinate system
Attribute_Domain_Values:

Unrepresentable_Domain: varying value range

Attribute:

Attribute_Label: Z
Attribute_Definition: NAVD88 GEOID12 elevation in meters
Attribute_Definition_Source: NAVD88 GEOID12
Attribute_Domain_Values:

Unrepresentable_Domain: varying value range

Attribute:

Attribute_Label: Intensity
Attribute_Definition:

The intensity value is the integer representation of the pulse return magnitude. This value is optional and system specific.

Attribute_Definition_Source: ASPRS
Attribute_Domain_Values:

Unrepresentable_Domain: Integers of varying value range

Attribute:

Attribute_Label: Return Number
Attribute_Definition:

The Return Number is the pulse return number for a given output pulse. A given output laser pulse can have many returns, and they must be marked in sequence of return. The first return will have a Return Number of one, the second a Return Number of two, and so on up to five returns.

Attribute_Definition_Source: ASPRS
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 1
Range_Domain_Maximum: 5

Attribute:

Attribute_Label: Number of Returns
Attribute_Definition:

The Number of Returns is the total number of returns for a given pulse. For example, a laser data point may be return two (Return Number) within a total number of five returns.

Attribute_Definition_Source: ASPRS
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 1
Range_Domain_Maximum: 5

Attribute:

Attribute_Label: Scan Direction Flag
Attribute_Definition:

The Scan Direction Flag denotes the direction at which the scanner mirror was traveling at the time of the output pulse. A bit value of 1 is a positive scan direction, and a bit value of 0 is a negative scan direction, where positive scan direction is a scan moving from the left side of the in-track direction to the right side and negative the opposite.

Attribute_Definition_Source: ASPRS
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0
Range_Domain_Maximum: 1

Attribute:

Attribute_Label: Edge of Flight Line
Attribute_Definition:

The Edge of Flight Line data bit has a value of 1 only when the point is at the end of a scan. It is the last point on a given scan line before it changes direction.

Attribute_Definition_Source: UTM zone 16N NAD83 coordinate system
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0
Range_Domain_Maximum: 1

Attribute:

Attribute_Label: Classification
Attribute_Definition: These data were specifically processed for bare earth (ground).
Attribute_Definition_Source: ASPRS and Photo Science
Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: 1
Enumerated_Domain_Value_Definition: Unclassified
Enumerated_Domain_Value_Definition_Source: ASPRS

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: 2
Enumerated_Domain_Value_Definition: Ground
Enumerated_Domain_Value_Definition_Source: ASPRS

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: 7
Enumerated_Domain_Value_Definition: Noise (low point)
Enumerated_Domain_Value_Definition_Source: ASPRS

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: 9
Enumerated_Domain_Value_Definition: Water
Enumerated_Domain_Value_Definition_Source: ASPRS

Attribute:

Attribute_Label: Scan Angle Rank
Attribute_Definition:

The Scan Angle Rank is a signed one-byte number with a valid range from -90 to 90. The Scan Angle Rank is the angle (rounded to the nearest integer in the absolute value sense) at which the laser point was output from the laser system including the roll of the aircraft. The scan angle is within 1 degree of accuracy from -90 to 90 degrees. Zero degrees is the nadir and -90 degrees is to the left side of the aircraft in the direction of flight.

Attribute_Definition_Source: ASPRS
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: -90
Range_Domain_Maximum: 90

Attribute:

Attribute_Label: User Data
Attribute_Definition: This field may be used at the user's discretion.
Attribute_Definition_Source: ASPRS
Attribute_Domain_Values:

Unrepresentable_Domain: undefined

Attribute:

Attribute_Label: Point Source ID
Attribute_Definition:

This value indicates the file from which this point originated. Valid values for this field are 1 to 65,535 inclusive with zero being used for a special case discussed below. The numerical value corresponds to the File Source ID from which this point originated. Zero is reserved as a convenience to system implementers. A Point Source ID of zero implies that this point originated in this file. This implies that processing software should set the Point Source ID equal to the File Source ID of the file containing this point at some time during processing.

Attribute_Definition_Source: ASPRS
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 1
Range_Domain_Maximum: 65,535

Attribute:

Attribute_Label: GPS Time
Attribute_Definition:

The GPS Time is the double floating point time tag value at which the point was acquired. It is GPS Week Time if the Global Encoding low bit is clear and POSIX Time if the Global Encoding low bit is set.

Attribute_Definition_Source: ASPRS
Attribute_Domain_Values:

Unrepresentable_Domain: varying value range

Distribution_Information:

Distributor:

Contact_Information:

Contact_Person_Primary:

Contact_Person: Nathaniel Plant
Contact_Organization:

U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center, St. Petersburg, Fla.

Contact_Position: Research Oceanographer
Contact_Address:

Address_Type: mailing and physical address
Address: 600 4th Street South
City: St. Petersburg
State_or_Province: FL
Postal_Code: 33701
Country: USA

Contact_Voice_Telephone: 727-803-8747
Hours_of_Service: Monday-Friday, 9:00-5:00 Eastern Time

Resource_Description: DS XXX
Distribution_Liability:

Although these data have been processed successfully on a computer system at the USGS, no warranty expressed or implied is made regarding the display or utility of the data on any other system, or for general or scientific purposes, nor shall the act of distribution constitute any such warranty. The USGS shall not be held liable for improper or incorrect use of the data described and/or contained herein. Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government.

Standard_Order_Process:

Digital_Form:

Digital_Transfer_Information:

Format_Name: LAS, zipped

Digital_Transfer_Option:

Online_Option:

Computer_Contact_Information:

Network_Address:

Network_Resource_Name: http://pubs.usgs.gov/ds/0839/

Fees: None if obtained online;otherwise prices vary.
Ordering_Instructions:

Publications are available from USGS Information Services, Box 25286, Federal Center, Denver, CO 80225-0046 (telephone: 1-888-ASK-USGS, e-mail: infoservices@usgs.gov).

Metadata_Reference_Information:

Metadata_Date: 20201013
Metadata_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: U.S. Geological Survey
Contact_Person: K. Guy

Contact_Address:

Address_Type: mailing and physical
Address: 600 4th Street South
City: St. Petersburg
State_or_Province: FL
Postal_Code: 33701
Country: USA

Contact_Voice_Telephone: 727-803-8747
Contact_Facsimile_Telephone: 727-803-2031
Contact_Electronic_Mail_Address: kguy@usgs.gov
Hours_of_Service: Monday through Friday 9:00 AM to 5:00 PM (Eastern Time)

Metadata_Standard_Name: FGDC Content Standard for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998
Metadata_Access_Constraints: None.
Metadata_Use_Constraints: None.
Metadata_Security_Information:

Metadata_Security_Classification_System: None.
Metadata_Security_Classification: Unclassified
Metadata_Security_Handling_Description: NONE

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