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You searched for: Time Period 1950-1999 Remove constraint Time Period: 1950-1999
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142.
Polygon

Backshore Condition, Wisconsin 1976 wisconsin

1976. Association of State Floodplain Managers (ASFPM). These inventories are from the research of David Mickelson, Senior Scientist and Emeritus Professor at the University of Wisconsin. The Shoreline I...

144.
Vector

Baist Index (1959): Washington, D.C. maryland

1959. City of Washington, DC. The Baist Index provides a mapping index that mirrors the hardcopy index in the original Baist Map Volumes. The Index was hand digitized from the o...

146.

Bartholomew County, Indiana indiana

1978. Black line print. 'Advance composite, subject to correction.' '1978.' Scale 1:100,000; Universal transverse Mercator United States, Department of t...

147.

Base map of Monroe County, Indiana indiana

1968. Moran, W. H. (William H.) and Heisterkamp, A. J. Blue line map. 'May 1, 1951, revised January 1, 1968.' Shows township and range numbers, section boundaries without numbers, State and National For...

148.
Polygon

Beach Protection, Wisconsin 1976 wisconsin

1976. Association of State Floodplain Managers (ASFPM). These inventories are from the research of David Mickelson, Senior Scientist and Emeritus Professor at the University of Wisconsin. The Shoreline I...

149.

Beacon Valley: Antarctica minnesota

1992. Projection: Lambert Conformal Conic Projection: Standard Parallels -76°40' and -79°20'; Series: USGS 1:50,000 Topographic Series.

150.

Bear Peninsula: Antarctica minnesota

1978. Projection: Lambert Conformal Conic Projection: Standard Parallels -72°40' and -75°20'; Series: USGS 1:250,000 Topographic Reconnaissance Series.

151.

Bedrock Aquifer Systems: Indiana purdue

1994. United States Geological Survey (USGS) and Indiana Geological Survey. Four types of bedrock aquifers in 12 water-management basins identified by the Indiana Natural Resources Commission (INRC) in Indiana were identifi...

152.
Polygon

Bedrock Aquifer Systems: Indiana (Web Map Service) purdue

1994. IndianaMap Open Data (ArcGIS Online). Bedrock Aquifer Systems in Indiana, 1994 (1:500,000) - Shows bedrock aquifer systems in Indiana. Attributes include information regarding aquifer t...

160.

Bedrock geologic map of northwestern Minnesota, M-80 minnesota

1994. Jirsa, Mark A., Runkel, Anthony C., and Chandler, Val W. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of northwestern Minnesota, scale 1:250,...