The Bofecillos Mountains and Big Bend Ranch State Park contain a complex sequence of volcanic, volcaniclastic, and intrusive rocks that erupted from sources both within and outside the area.

Facies architecture, structure, and diagenesis control reservoir geometry and distribution of remaining oil in shoreface, fluvial, and deltaic reservoirs of Miocene age in the 18-mi2 (46.7-km2) Mioceno Norte Area in northern Lake Maracaibo.

The author of this research mapped strata, facies, and permeability trends through a compasite valley-fill standstone in the Fall River Formation, exposed in Red Canyon, South Dakota. Findings demonstrate the complexity of depositions formed in low-accommodation basin settings.

This report describes the three-dimensional distribution of hydraulic conductivity in the Edwards aquifer from Kinney to Comal Counties, Texas.