Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

Search Constraints

You searched for: Time Period 1950-1999 Remove constraint Time Period: 1950-1999
Number of results to display per page
View results as:

Search Results

81.
Archived Submerged Aquatic Vegetation - SAV 1994: Maryland

Archived Submerged Aquatic Vegetation - SAV 1994: Maryland

1994. Maryland iMap. This is a MD iMAP hosted service. Find more information on http://imap.maryland.gov. The Chesapeake Bay SAV was mapped from 1:24,000 black and whit...

82.
Archived Submerged Aquatic Vegetation - SAV 1995: Maryland

Archived Submerged Aquatic Vegetation - SAV 1995: Maryland

1995. Maryland iMap. This is a MD iMAP hosted service. Find more information on http://imap.maryland.gov. The Chesapeake Bay SAV was mapped from 1:24,000 black and whit...

83.
Archived Submerged Aquatic Vegetation - SAV 1996: Maryland

Archived Submerged Aquatic Vegetation - SAV 1996: Maryland

1996. Maryland iMap. This is a MD iMAP hosted service. Find more information on http://imap.maryland.gov. The Chesapeake Bay SAV was mapped from 1:24,000 black and whit...

84.
Archived Submerged Aquatic Vegetation - SAV 1997: Maryland

Archived Submerged Aquatic Vegetation - SAV 1997: Maryland

1997. Maryland iMap. This is a MD iMAP hosted service. Find more information on http://imap.maryland.gov. The Chesapeake Bay SAV was mapped from 1:24,000 black and whit...

85.
Archived Submerged Aquatic Vegetation - SAV 1998: Maryland

Archived Submerged Aquatic Vegetation - SAV 1998: Maryland

1998. Maryland iMap. This is a MD iMAP hosted service. Find more information on http://imap.maryland.gov. The Chesapeake Bay SAV was mapped from 1:24,000 black and whit...

86.
Archived Submerged Aquatic Vegetation - SAV 1999: Maryland

Archived Submerged Aquatic Vegetation - SAV 1999: Maryland

1999. Maryland iMap. This is a MD iMAP hosted service. Find more information on http://imap.maryland.gov. The Chesapeake Bay SAV was mapped from 1:24,000 black and whit...

87.
Area map: Nashville and park entrance.

Area map: Nashville and park entrance.

1970?. Blue line print.; Shows corporate limits of Nashville Indiana, roads, some buildings, Salt Creek, the north entrance to Brown County State Park and...

88.
Argentina Range: Antarctica

Argentina Range: Antarctica

Projection: Polar Stereographic Projection: Standard Parallel -80°14'; Series: USGS 1:250,000 Topographic Reconnaissance Series.

89.
Average annual precipitation in inches.

Average annual precipitation in inches.

1970. Kingsbury, Robert C. Detached from: Kingsbury, Robert C. Atlas of Indiana, page 26. Computer generated isometric map obtained through use of the facilities of Indiana U...

90.
Average annual snowfall in inches.

Average annual snowfall in inches.

1970. Kingsbury, Robert C. Detached from: Kingsbury, Robert C. Atlas of Indiana, page 28. Computer generated isometric maps obtained through use of the facilities of Indiana ...

91.
Average January temperature in degrees Fahrenheit.

Average January temperature in degrees Fahrenheit.

1970. Kingsbury, Robert C. Detached from: Kingsbury, Robert C. Atlas of Indiana, page 25. Computer generated isometric maps obtained through use of the facilities of Indiana ...

92.
Bakutis Coast - Marie Byrd Land: Antarctica

Bakutis Coast - Marie Byrd Land: Antarctica

Projection: Polar Stereographic Projection: Standard Parallel -71°; Series: USGS Sketch Maps.

93.
Bartholomew County, Indiana

Bartholomew County, Indiana

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

94.
Base map of Monroe County, Indiana

Base map of Monroe County, 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...

95.
Beacon Valley: Antarctica

Beacon Valley: Antarctica

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

96.
Bear Peninsula: Antarctica

Bear Peninsula: Antarctica

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

97.
Bedrock Aquifer Systems: Indiana

Bedrock Aquifer Systems: Indiana

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

98.
Bedrock geologic and topographic maps of the Minneapolis-St. Paul urban area, Minnesota, M-57, Plate 1

Bedrock geologic and topographic maps of the Minneapolis-St. Paul urban area, Minnesota, M-57, Plate 1

1985. Bloomgren, Bruce A. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Minneapolis and St. Paul urban a...

99.
Bedrock geologic and topographic maps of the Minneapolis-St. Paul urban area, Minnesota, M-57, Plate 2

Bedrock geologic and topographic maps of the Minneapolis-St. Paul urban area, Minnesota, M-57, Plate 2

1985. Bloomgren, Bruce A. Bedrock topography (elevation of the bedrock sruface) map of the Minneapolis and St. Paul urban area, scale 1:48,000.

100.
Bedrock geologic and topographic maps of the seven-county Twin Cities Metropolitan Area, Minnesota, M-55, Plate 1

Bedrock geologic and topographic maps of the seven-county Twin Cities Metropolitan Area, Minnesota, M-55, Plate 1

1986. Jirsa, Mark A., Olsen, Bruce M., and Bloomgren, Bruce A. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Twin Cities, seven-county metrop...