Era of geologic time approximately 542 to 251 million years ago.

Results listed by similarity [list alphabetically]
Geologic map of the Jasper quadrangle, Newton and Boone Counties, Arkansas

This digital geologic map compilation presents new polygon (i.e., geologic map unit contacts), line (i.e., fault, fold axis, and structure contour), and point (i.e., structural attitude, contact elevations) vector data for the Jasper 7 1/2' quadrangle in