Illinois, La Harpe quadrangle - topography -  1e82eb0b75fd15529a0c8ea0fd0ba437

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Illinois, La Harpe quadrangle - topography - 1e82eb0b75fd15529a0c8ea0fd0ba437

description

Summary

1 map, colored; Relief shown by contours and spot heights.; Surveyed in cooperation with the State of Illinois.; Surveyed in 1916.; Contour interval 20 feet.; Scale 1:62,500

date_range

Date

1918
create

Source

University of Illinois Urbana-Champaign University Library
copyright

Copyright info

Public Domain

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