Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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You searched for: Place Michigan, United States Remove constraint Place: Michigan, United States Time Period 1950-1999 Remove constraint Time Period: 1950-1999
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Aerial Imagery (DOQ) Grid: Michigan, 1992-1998

1992-1998. Digital Ortho-Quadrangle grid for 1992 1998 aerial imagery acquisitions.

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Block Groups: Michigan, 1990

1990. 1990 Block Groups from the Michigan Geographic Framework (MGF) base map. Block groups (BG s) are combinations of census blocks within a census trac...

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Census Tracts: Michigan, 1990

1990. 1990 Census Tracts from the Michigan Geographic Framework (MGF) base map. Census tracts are small areas created for statistical purposes that usual...