Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

Search Constraints

You searched for: Year 1997 Remove constraint Year: 1997 Time Period 1950-1999 Remove constraint Time Period: 1950-1999
Number of results to display per page
View results as:

Search Results

1.
Agriculture Census: Indiana

Agriculture Census: Indiana

1997. United States Geological Survey. USGS National Atlas metadata states "This data set portrays the National Agricultural Statistics Service, U.S. Department of Agriculture's 1997 Ce...

2.
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...

3.
Coastal-Change and Glaciological Map of the Bakutis Coast: Antarctica

Coastal-Change and Glaciological Map of the Bakutis Coast: Antarctica

Swithinbank, Williams, Ferrigno. Projection: Polar Stereographic Projection: Standard Parallel -71°; Series: USGS Geologic Investigations Series.

4.
Raster

Digital Orthophoto (DOQQ - quarter-quadrangle) for Delaware 1997

1997. U.S. Geologic Survey; Pennsylvania Bureau of Topographic and Geologic Survey. Orthophotos combine the image characteristics of a photograph with the geometric qualities of a map. The primary digital orthophotoquad (DOQ) is a ...

5.
Raster

Digital Orthophoto (DOQQ - quarter-quadrangle) for West Virginia 1997

1997. U.S. Geologic Survey; Pennsylvania Bureau of Topographic and Geologic Survey. Orthophotos combine the image characteristics of a photograph with the geometric qualities of a map. The primary digital orthophotoquad (DOQ) is a ...

6.
Digital Orthophotos, Twin Cities Metropolitan Area, 1997: Minnesota

Digital Orthophotos, Twin Cities Metropolitan Area, 1997: Minnesota

1997-04. Metropolitan Council. This dataset contains 265 digital, black and white orthophoto quarter-quadrangles (DOQs), 3.75' x 3.75', covering the 7 county Twin Cities (Minneap...

7.
Distribution of sinkholes and sinking-stream basins with locations of cave openings in Central Southern Indiana

Distribution of sinkholes and sinking-stream basins with locations of cave openings in Central Southern Indiana

1997. Powell, Richard L., Frushour, Samuel S., Harper, Denver, and Kersey, Rea Williams. This map data was compiled in 1997 from information available at the time, but was unpublished until until 2002; the map does not reflect any chang...

8.
Don't let construction make you a wreck!: 1997 Indiana road construction map.

Don't let construction make you a wreck!: 1997 Indiana road construction map.

1997. Please note ... only major highway and interstate improvement projects are included in this brochure. Information is accurate as of February 1, 199...

9.
Mixed

Generalized Land Use Acreage Totals: Metro Twin Cities, Minnesota, 1970-1997

1997. Metropolitan Council. The Generalized Land Use Acreage Totals 1970 - 1997 database is a tabular data file. It is NOT A GIS LAYER. The table contains acreage totals by ...

10.
Geologic atlas of Rice County, Minnesota, C-9, Part B, Plate 7, Water-Table Hydrogeology

Geologic atlas of Rice County, Minnesota, C-9, Part B, Plate 7, Water-Table Hydrogeology

1997. Falteisek, Jan, Campion, Moira, and Wetzel, Todd. Maps showing ground water resources and aquifer characteristics in the bedrock and unconsolidated sediments (glacial and stream sediments) overlyin...

11.
Geologic atlas of Rice County, Minnesota, C-9, Part B, Plate 8, Bedrock Hydrogeology

Geologic atlas of Rice County, Minnesota, C-9, Part B, Plate 8, Bedrock Hydrogeology

1997. Falteisek, Jan and Campion, Moira. Maps showing ground water resources and aquifer characteristics in the bedrock, including the age of the water (how long since the water entered th...

12.
Geologic atlas of Rice County, Minnesota, C-9, Part B, Plate 9, Sensitivity of Ground-Water Systems to Pollution

Geologic atlas of Rice County, Minnesota, C-9, Part B, Plate 9, Sensitivity of Ground-Water Systems to Pollution

1997. Falteisek, Jan and Campion, Moira. Map showing the susceptibility of the ground water system (bedrock and unconsolidated sediments) to contamination,including the age of the water (h...

13.
Geologic atlas of Rice County, Minnesota, C-9, Part B, Plate 9, Supplement to Sensitivity of Ground-Water Systems to Pollution

Geologic atlas of Rice County, Minnesota, C-9, Part B, Plate 9, Supplement to Sensitivity of Ground-Water Systems to Pollution

1997. Falteisek, Jan and Campion, Moira. Map showing sensitivity interpretations and how the age of the water as determined from radioactive isotopes (tritium) is related to the ease of po...

14.
Vector Created with Sketch.

Hydric Soils: Chester County, Pennsylvania

1997. U.S. Department of Agriculture, Natural Resources Conservation Service. This data set includes all soil map units that are defined as Hydric in the SSURGO data base.The SSURGO data set is a digital soil survey and is th...

15.
Joyce Glacier: Antarctica

Joyce Glacier: Antarctica

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

16.
Karst hydrogeology of LeRoy Township, Mower County, Minnesota, OFR97-02

Karst hydrogeology of LeRoy Township, Mower County, Minnesota, OFR97-02

1997. Green, J.A., Mossler, J.H., Alexander, S.C., and Alexander, E.C., Jr. Description of the bedrock geology, karst features and depth to bedrock as it relates to hydrogeology in LeRoy Township of Mower County, Minnesota,...

17.
Map of Posey County, Indiana, showing structure on the Springfield coal member of the Petersburg formation (Pennsylvanian)

Map of Posey County, Indiana, showing structure on the Springfield coal member of the Petersburg formation (Pennsylvanian)

1997. Ault, Curtis H., cartographer. Relief shown by contours.; Coordinates printed at top and lower margin are incorrect.; Includes index map, text, and sectionized township diagram. ...

18.
Marshall Valley: Antarctica

Marshall Valley: Antarctica

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

19.
Mount Huggins: Antarctica

Mount Huggins: Antarctica

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

20.
Mount Lister: Antarctica

Mount Lister: Antarctica

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