To locate maps in the library catalog, consider a keyword search using the terms geolog* and map* and area or region:
geolog* AND map AND durango
You can also consider a subject search using Library of Congress Subject Headings. Enter the search "geology (area/region) maps".
Geology Colorado Maps
If you can't find what you're looking for at Reed Library
Try Prospector--it searches libraries from all over the state, and you can borrow maps for free.
Click here to view additional La Plata County geologic maps in Reed Library's collection.
As a Colorado State Publications Depository Library, Reed Library maintains a collection of Colorado Geological Survey maps in print and on CD-Rom. These maps have call numbers beginning with the letters NR. A designation of CO Map preceeds the call number. They are house in Cabinet 15 in the Folded Maps Cabinets.