Metadata for 2001 Lower Yellowstone River Corridor Color Infrared Digital Orthophotography
Identification Information:
Citation:
Originator: USDA Natural Resources Conservation Service
Publication date: 2003
Title:
2001 Lower Yellowstone River Corridor Color Infrared Digital Orthophotography
Publication place: Helena, Montana
Publisher: Montana State Library
Online linkage: ftp://ftp.geoinfo.msl.mt.gov/Data/Spatial/NonMSDI/Collections/Yellowstone_River_Clearinghouse/Imagery/2001_IR/

Abstract:
Aerial color infrared photo mosaics of the Yellowstone River corridor. The image resolution is one meter and they are in MrSID format. The images were collected between August 3 and August 6, 2001. These images range in size up to 155 megabytes.

There is a pair of images for each county, from Sweet Grass to the confluence with the Missouri River. The same image for each county is available in UTM zone 13 coordinates and in Montana State Plane coordinates.

Photo dates on a county-by-county basis are McKenzie and Richland on 8/5/2001, Dawson on 8/3/2001 and 8/5/2001, Prairie, Custer, Rosebud, and Treasure on 8/3/2001, Yellowstone on 8/2/2001 and 8/3/2001, Stillwater on 8/2/2001 and 8/6/2001, and Sweet Grass on 8/2/2001. All images were obtained during the day between 9 AM and 3 PM.
Purpose:
The project was commissioned by the Lower Yellowstone River District Council as a basis for resources inventory and monitoring.

Time period of content:
Beginning date: 08/03/2001
Ending date: 08/06/2001
Currentness reference: ground condition
Status:
Progress: Complete
Maintenance and update frequency: None planned
Access constraints: None
Use constraints:
The Montana State Library provides this product/service for informational purposes only. The Library did not produce it for, nor is it suitable for legal, engineering, or surveying purposes. Consumers of this information should review or consult the primary data and information sources to ascertain the viability of the information for their purposes. The Library provides these data in good faith but does not represent or warrant its accuracy, adequacy, or completeness. In no event shall the Library be liable for any incorrect results or analysis; any direct, indirect, special, or consequential damages to any party; or any lost profits arising out of or in connection with the use or the inability to use the data or the services provided. The Library makes these data and services available as a convenience to the public, and for no other purpose. The Library reserves the right to change or revise published data and/or services at any time.
Point of contact:
Doug Harrison
State Resource Inventory Specialist
USDA Natural Resources Conservation Service
10 East Babcock Street, Room 443
Bozeman, Montana 59715-4704


Telephone: 406-587-6761
E-Mail: dharrison@mt.usda.gov


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Data Quality Information:
Lineage:
Source information:
Originator: U.S. Army Corps of Engineers
Title:
1:24,000 scale 2001 Color Infrared Aerial Photo Film Positives
Beginning date: 08/03/2001
Ending date: 08/06/2001

Process step:
Color infrared film positive aerial phography was scanned at 600 d.p.i. using a Leica Planimetric scanner. Photgraphs contained 25 percent overlap, therefore, every other frame was scanned. The scanned imagery was then processed using ERDAS Imagine 8.4. Imagery was orthorectified using ERDAS/ OrthoBase. USGS digital orthophotography was used as the horizontal reference source and 30 meter digital elevation models were used as the vertical reference source. The U.S. Geological Survey camera report was used to obtain the interior and exterior orientation and other specific camera information needed in Orthobase. Ground control points and tie points were created. Nearest neighbor resampling method was employed to produce an orthorectified image.

Once orthorectified, the imagery was clipped to within approximately one mile on either side of the Yellowstone River centerline of flow using an area of interest (AOI). Images were then mosaiced using ERDAS mosaic tool. The overlap function was set for no cutlines and overlay. Image matching was not performed. Mosaiced images were compressed at a 20:1 ratio with MrSID geospatial encoder 1.4.
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Spatial Reference Information:
Horizontal coordinate system definition:
Planar distance units: meters
Geodetic model:
Horizontal datum name: North American Datum of 1983
Ellipsoid name: Geodetic Reference System 80
Semi-major axis: 6378137.000000
Denominator of flattening ratio: 298.257222
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Distribution Information:
Distributor:
Montana State Library
PO Box 201800
Helena, MT 59620-1800


Telephone: 406-444-5354
TDD/TTY telephone: 406-444-4799
Fax: 406-444-0266
E-Mail: geoinfo@mt.gov


Resource description: Downloadable Data


Distribution liability:
The Montana State Library provides this product/service for informational purposes only. The Library did not produce it for, nor is it suitable for legal, engineering, or surveying purposes. Consumers of this information should review or consult the primary data and information sources to ascertain the viability of the information for their purposes. The Library provides these data in good faith but does not represent or warrant its accuracy, adequacy, or completeness. In no event shall the Library be liable for any incorrect results or analysis; any direct, indirect, special, or consequential damages to any party; or any lost profits arising out of or in connection with the use or the inability to use the data or the services provided. The Library makes these data and services available as a convenience to the public, and for no other purpose. The Library reserves the right to change or revise published data and/or services at any time.

Standard order process:
Digital form:
Format name: MrSID
Online option:
ftp://ftp.geoinfo.msl.mt.gov/Data/Spatial/NonMSDI/Collections/Yellowstone_River_Clearinghouse/Imagery/2001_IR/
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Metadata Reference Information:
Metadata date: 11/13/2013
Metadata review date: 05/08/2002
Metadata contact:
Julie Tesky
Remote Sensing/Data Collection Specialist
USDA Natural Resources Conservation Service
10 East Babcock Street, Room 443
Bozeman, Montana 59715-4704


Telephone: 406-587-6908
E-Mail: jtesky@mt.usda.gov


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