1960. University of Arizona. Library. Statewide coverage of 1960 American Indian Reservations. Boundaries that cross into the adjacent states are included. Population data is from the U... University of Arizona.
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1970. University of Arizona. Library. Statewide coverage of 1970 American Indian Reservations. Boundaries that cross into the adjacent states are included. Population data is from the U... University of Arizona.
1980. University of Arizona. Library. Statewide coverage of 1980 American Indian Reservations. Boundaries that cross into the adjacent states are included. Population data from U.S. Bur... University of Arizona.
2017. Geographic depiction of the potential distribution of amphibian species in a depicted area. Species richness estimates are based on individual spec... United States Environmental Protection Agency.
1961. National Climatic Data Center (U.S.). The data set was computed using data from the National Climatic Data Center's U.S. National 1961-1990 Climate Normals (NOAA, 1994b). The original d... National Climatic Data Center (U.S.).
1961. National Climatic Data Center (U.S.). This element was computed using data from the National Climatic Data Center's U.S. National 1961-1990 Climate Normals (NOAA, 1994b). The original d... National Climatic Data Center (U.S.).
1961. National Climatic Data Center (U.S.). This element was computed using data from the National Climatic Data Center's U.S. National 1961-1990 Climate Normals (NOAA, 1994b). The original d... National Climatic Data Center (U.S.).
1961. National Climatic Data Center (U.S.). This element was computed using data from the National Climatic Data Center's U.S. National 1961-1990 Climate Normals (NOAA, 1994b). The original d... National Climatic Data Center (U.S.).
1961. National Climatic Data Center (U.S.). This element was computed using data from the National Climatic Data Center's Surface Airways Hourly (TD-3280) database (NOAA, 2000a). The original... National Climatic Data Center (U.S.).
1961. National Climatic Data Center (U.S.). This element was computed using data from the National Climatic Data Center's Cooperative Summary of the Day (TD-3200) database (NCDC, 1995). The o... National Climatic Data Center (U.S.).