Montana Natural Heritage Program 19910812 map Helena, Montana Montana State Library The former name of the data set on the NRIS web site was "ab28" https://ftpgeoinfo.msl.mt.gov/Data/Spatial/NonMSDI/Shapefiles/National_Parks1991.zip Montana National Park Service Lands digitized from 1:126,720 scale National Forest Visitors maps, BLM 1:100,000 scale maps, or selected from U.S. Census Bureau TIGER files where park boundaries follow county lines. These data are from the GIS collection of the Montana State Digital Library Archive. The data were removed from the State Library's Natural Resource Information System (NRIS) web site in 2002, when it was replaced by more accurate data from the Montana Natural Heritage Program's stewardship database. 1975 publication date -114.061203 -107.226501 49.081402 44.392300 ISO 19115 Topic Category boundaries Boundary Boundaries National Parks National Monuments National Battlefields Montana MT None 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. Montana State Library mailing address

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Helena Montana 59620-1800 406-444-5354 geoinfo@mt.gov The accuracy of 1:126,720 scale map data is approximately 65 meters U.S. Forest Service Northern Region 1975 map Missoula, MT U.S. Forest Service Northern Region 126720 Paper 1975 1994 publication date This is the source of all the boundaries in Western Montana, except for Yellowstone National Park and the north boundary of Glacier National Park. U.S. Census Bureau 1990 Census map Washington, DC U.S. Census Bureau 100000 1990 Publication Date This is the source of the boundary of Yellowstone National Park and the north boundary of Glacier National Park. National Mapping Division U.S. Geological Survey 1981 map Reston, VA U.S. Geological Survey 100000 paper 1981 Publication Date This is the source of the Little Big Horn Battlefield and Big Horn Canyon National Recreation Area boundaries. State Plane Coordinate System 2500 45 49 -109.5 44.25 600000.00000 0.00000 meters North American Datum of 1983 Geodetic Reference System 80 6378137.0 298.257 National_Parks1991 FID Shapefile sequence number Shape Feature geometry AREA Area of polygon in square meters PERIMETER Perimeter of polygon in meters NAME Name of administrative unit ACRES Area, acres -- computed from feature coordinates Montana State Library mailing address

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Helena Montana 59620-1800 406-444-5354 geoinfo@mt.gov Downloadable Data 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. 20160523 Montana State Library mailing address

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Helena Montana 59620-1800 406-444-5354 geoinfo@mt.gov {fcd060a1-bcef-4f1d-b0cd-7efcb01314f6}