Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

Search Constraints

Number of results to display per page

Search Results

1. Public Land Survey System (PLSS) Boundaries: Illinois, 2003

1968. Illinois State Geological Survey. This data set contains Illinois Public Land Survey System (PLSS) boundaries and designations in line and polygon feature classes. THESE DATA HAVE P...

2. PLSS Townships: Illinois, 2003

1968. Illinois State Geological Survey. This dataset contains townships from the Illinois Public Land Survey System in line and polygon form. Line attributes identify state, township and ...

3. PLSS Indian Treaty Boundary Lines: Illinois, 2003

1968. Illinois State Geological Survey. This data set contains Indian Treaty boundary lines from the Illinois Public Land Survey System. The nominal scale is 1:62,500. As of 2003, the dat...

4. State Boundary: Illinois, 2003

1968. Illinois State Geological Survey. This data set contains the Illinois state boundary in line and polygon format. There are two versions of the data included: one that includes the o...

5. Bakutis Coast - Marie Byrd Land: Antarctica

1968. Projection: Polar Stereographic Projection: Standard Parallel -71°; Series: USGS Sketch Maps.

6. Blackburn Nunatak: Antarctica

1968. Projection: Polar Stereographic Projection: Standard Parallel -80°14'; Series: USGS 1:250,000 Topographic Reconnaissance Series.

7. Caloplaca Hills: Antarctica

1968. Projection: Polar Stereographic Projection: Standard Parallel -80°14'; Series: USGS 1:250,000 Topographic Reconnaissance Series.

8. County Boundaries: Illinois, 2003

1968. Illinois State Geological Survey. This data set contains Illinois county boundaries in line and polygon formats. The polygon attribute data include county name and number (FIPS) des...

9. Gambacorta Peak: Antarctica

1968. Projection: Polar Stereographic Projection: Standard Parallel -80°14'; Series: USGS 1:250,000 Topographic Reconnaissance Series.

10. Geology and origin of iron ore deposits of the Zenith mine, Vermilion district, Minnesota, SP-2, Plate 1

1968. Machamer, J.F. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of 17th level of Zenith Mine, scale 1 i...

11. Geology and origin of iron ore deposits of the Zenith mine, Vermilion district, Minnesota, SP-2, Plate 2

1968. Machamer, J.F. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of 18th level of Zenith Mine, scale 1 i...

12. Geology and origin of iron ore deposits of the Zenith mine, Vermilion district, Minnesota, SP-2, Plate 3

1968. Machamer, J.F. Geology cross section diagrams of Zenith Mine, scale 1 inch = about 100 feet.

13. Hobbs Coast - Marie Byrd Land: Antarctica

1968. Projection: Polar Stereographic Projection: Standard Parallel -71°; Series: USGS Sketch Maps.

14. Indiana state of surprises.

1968. Includes index to points of interest on recto and col. ill. on verso. Scale not given.

15. Leverett Glacier: Antarctica

1968. Projection: Polar Stereographic Projection: Standard Parallel -80°14'; Series: USGS 1:250,000 Topographic Reconnaissance Series.

16. Liv Glacier: Antarctica

1968. Projection: Polar Stereographic Projection: Standard Parallel -80°14'; Series: USGS 1:250,000 Topographic Reconnaissance Series.

17. Map of Marion County, Indiana showing highways & roads

1968. Prout, Joseph E., cartographer. "January 1, 1968." Scale approximately 1:60,000. Not "1" = 1/2 mile".

18. Mount Joyce: Antarctica

1968. Projection: Lambert Conformal Conic Projection: Standard Parallels -72°40' and -75°20'; Series: USGS 1:250,000 Topographic Reconnaissance Series.

19. Mount Melbourne: Antarctica

1968. Projection: Lambert Conformal Conic Projection: Standard Parallels -72°40' and -75°20'; Series: USGS 1:250,000 Topographic Reconnaissance Series.

20. Northern Victoria Land: Antarctica

1968. Projection: Polar Stereographic Projection: Standard Parallel -71°; Series: USGS Sketch Maps.