GEOGRAPHIC INFORMATION

Yellowstone River 1948-1951 Aerial Photograph Mosaics

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Data Provider DTM Consulting, Inc.
Date 1948 - 1951
Content Type Downloadable Data
Abstract Aerial photo mosaics of the Yellowstone River corridor. Images may be a mix of years from 1948 to 1951, in MrSID format. These images range in size from 2 to 43 megabytes.These images were georeferenced to 1995 U.S. Geological Survey Digital Orthophoto Quadrangles. Positional accuracy was targeted on the river corridor. Little effort was made to reference the upland areas in regions of high relief.In general, there is one image for each county, from Sweet Grass, Montana, to McKenzie, North Dakota. Yellowstone County is divided into 2 images.Some older GIS applications may need .sdw files to accompany these files for georeferencing information. ESRI's ArcMap needs .aux files to read the coordinate system of the images from. These files may be accessed at https://ftpgeoinfo.msl.mt.gov/Data/Spatial/NonMSDI/Collections/Yellowstone_River_Clearinghouse/Imagery/1950/aux_and_sdw.zip.The cell size of the images varies from 1 to 2.5 meters: McKenzie - 1.879 Richland - 1.823 Dawson - 2.394 Prairie - 1.882 Custer - 2.462 Rosebud - 1.853 Treasure - 1.790 Yellowstone - 1.000 Stillwater - 1.000 Sweet Grass - 1.000
Purpose Developed as part of the Yellowstone River Cummulative Effects Study. Imagery is intended for reach level analysis of changes in the Yellowstone River Corridor.
Supplemental Information
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.
Data Access https://ftpgeoinfo.msl.mt.gov/Data/Spatial/NonMSDI/Collections/Yellowstone_River_Clearinghouse/Imagery/1950
Distributor Montana State Library
PO Box 201800
 Helena, MT 59620-1800
Telephone: 406-444-5354
TDD/TTY: Montana Relay 711
Fax: 406-444-0266
Email: geoinfo@mt.gov
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.
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Metadata date 01/06/2014

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