RECONNAISSANCE GEOLOGIC MAPS: Compiled by E.E. Glick, U. S. Geological Survey, early 1970's, from field observations and subsurface data and used for preparing the "Geologic Map of Arkansas," 1976. Scale 1:24,000 for 7 1/2' quadrangles, 1:62,500 for 15' quadrangles.

The quadrangles are available in black-and-white:

Sizes are ~ 23" x 28" for 1:24,000 scale and ~19" x 23" for 1:62,500 scale

Boswell 1:24,000 scale (726 KB)

Calico Rock 1:24,000 scale (1.09 MB)

Elizabeth 1:24,000 scale (1.25 MB)

Gepp 1:24,000 scale (1.11 MB)

Melbourne 1:62,500 scale (1.39 MB)

Norfork Dam North 1:24,000 scale (1.27 MB)

Norfork Dam South 1:24,000 scale (1.21 MB)

Pineville 1:24,000 scale (1.25 MB)