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Subject
Boundaries
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Collection
IndianaMAP
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Year
1999
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1. Index of USGS 100,000 Scale Quadrangles: Indiana
1999. United States Geological Survey. This dataset shows the grid index of USGS 100K quadrangles. Each polygon is attributed with the official USGS quadrangle name and index number.
2. Index of USGS 250,000 Scale Quadrangles: Indiana
1999. United States Geological Survey. This dataset shows the grid index of USGS 250K quadrangles. Each polygon is attributed with the official USGS quadrangle name and index number.