Map PDF PDF of Multi-Dimentional Geologic Mapping of the Villa Grove Quadrangle, Dougla… General Information: Description 42" x 32" poster; includes descriptive text, legend, inset maps (7), photographs (3) Publication Details: Publication Date 1999 Authors Curtis C. Abert Map Details: Theme Poster Quadrangles Villa Grove Scale Category Quadrangle Scale 1:24,000 Ordering Information https://shop.inrs.illinois.edu/quad-maps.html#2377
