Mahan, Larry P. books & textbook
20 Day Trips in and around the Shawnee National Forest (Shawnee Books)
Mahan, Larry P. Mahan, Donna J.
Southern Illinois University Press /2013-04-15 Paperback / 160 Pages
isbn-10: 0809332558 / isbn-13: 9780809332557
In search of large trees: Macoupin County research, central & southern Illinois champions
L.P. Mahan /2002T Paperback / 152 Pages
isbn-10: 0972565205 / isbn-13: 9780972565202
