MIT Libraries logo

Search Constraints

« Previous | 1 - 10 of 38 |
Number of results to display per page

Search Results

1. Level III Ecoregions, Arizona, 2013

2013. US Environmental Protection Agency. Ecoregions denote areas of general similarity in ecosystems and in the type, quality, and quantity of environmental resources. They are designed to... U.S. EPA Office of Research & Development (ORD) - National Health and Environmental Effects Research Laboratory (NHEERL).

2. Level IV Ecoregions, Arizona, 2013

2013. US Environmental Protection Agency. Ecoregions by state were extracted from the seamless national shapefile. Ecoregions denote areas of general similarity in ecosystems and in the typ... U.S. EPA Office of Research and Development (ORD) - National Health and Environmental Effects Research Laboratory (NHEERL).

3. Quadrangle Boundaries, Arizona, 2002

2002. Arizona. State Land Department. Index Grids, This statewide data set consists of polygons representing the 1:250,000 USGS Quad boundaries spanning Arizona. The Lat/Long grid has a... Arizona State Land Department.

4. Native American Communities, Arizona, 1994

1994. Arizona. State Land Department. This is a statewide coverage of Indian reservation land in Arizona in 1994. Arizona State Land Department, Arizona Land Resources Information System.

5. Wilderness Areas, Arizona, 1990

1993. Arizona. State Land Department. This statewide data set includes Bureau of Land Management, U.S. Forest Service, National Park Service and Fish & Wildlife Service Riparian Natural... Arizona State Land Department.

6. Land Ownership, Arizona, 1988

1988. Arizona. State Land Department. Depicts geographic boundaries of various land ownership. Ownership holders include Bureau of Land Management, State Trust Land, Private Land, Natio... Arizona State Land Department.

7. American Indian Reservations, Arizona, 1980

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.

8. American Indian Reservations, Arizona, 1970

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.

9. Census Places, Arizona, 1970

1970. University of Arizona. Library. Statewide coverage of 1970 Places based on population data available from the U.S. Bureau of the Census. Population data is from the 1970 Census of... University of Arizona.

10. County Subdivisions, Arizona, 1970

1970. University of Arizona. Library. Statewide coverage of 1970 Census County Subdivisions. University of Arizona.