Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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You searched for: Data type Line Remove constraint Data type: Line Time Period 1950-1999 Remove constraint Time Period: 1950-1999
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1. Highways: Iowa, 1993

1993. Jim Giglierano, Mike Bounk, Xingzhi Chen. This coverage contains arcs representing the major primary and secondary highways in the state of Iowa. The data was originally obtained from the I...