Authors: Czechanski, M.L.
Ervin, C.P.; Thompson, M.E.; Mudrey, M.G.; Jr.; Czechanski, M.L.; Brown, B.A.;
1993
Map: 43.3 in x 33.2 in, scale 1:250,000
Patterson, D.L.; Czechanski, M.L.;
1984
Map: 30 in x 24 in, scale 1:24,000