Geologic Map of Southwest Kansas in "A geological Reconnaisance in Southwestern Kansas" by Robert Hay in Bulletin No.57 of the USGS, 1890

Geologic Map of Southwest Kansas in "A geological Reconnaisance in Southwestern Kansas" by Robert Hay in Bulletin No.57 of the USGS, 1890. Scale 1"=24miles. Colour print, 9"x15", folding out from 48pp report which also includes uncoloured folding out horizontal sections and 20 figures within the text. In good condition.