MapCarte 139/365 : Comstock mines by USGS, 1881

MapCarte 139/365 : Comstock mines by USGS, 1881 | Commission on Map Design
▻https://mapdesign.icaci.org/2014/05/mapcarte-139365-comstock-mines-by-usgs-1881

http://mapdesign.icaci.org/wp-content/uploads/2014/05/MapCarte139_comstock_large.png

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