Illinois Avon quadrangle - GeoBlacklight

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Illinois Avon quadrangle

IIIF Service

Description:: Surveyed in 1911 and 1913.;Relief shown by contours and spot heights.;1 map, colored;45 x 34 cm.;1:62,500
Creator:: Geological Survey (U.S.)
Publisher:: Geological Survey (U.S.)|Geological Survey Division (Urbana, Ill.)
Provider:: University of Illinois Urbana-Champaign
Temporal Coverage:: 1915
Spatial Coverage:: Illinois
Access Rights:: Public
Format:: JPEG2000