Report on the geological structure of Murphree's Valley, and its minerals and other materials of economic value Geological Survey of Alabama. creator Gibson, A. M. contributor text book Montgomery, Ala Excelsior Printing Co 1893 1893
print
ENG Eugene Allen Smith, state geologist. Alabama Geology Murphree Valley QE81.A2 M9 Special report (Geological Survey of Alabama), no. 4 https://www.biodiversitylibrary.org/bibliography/45622 1098349 01005410 10.5962/bhl.title.45622