Geology of Volcanic and Subvolcanic Rocks of the Raton-Springer Area, Colfax and Union Counties, New Mexico: Issue 1507

Geology of the Elliston Region, Powell and Lewis and Clark Counties, Montana: Issues 2045-2047

Tertiary Mineralization and Hydrothermal Alteration in the Stinkingwater Mining Region, Park County, Wyoming: Issues 1332-1335

U.S. Geological Survey Bulletin

Silurian Nomenclature and Correlations in Southwest Virginia and Northeast Tennessee: Establishes a Reference Section for the Clinch Sandstone, Extends the Name Rose Hill Formation to Southwest Virginia and Northernmost Tennessee, and Clarifies the Relations Between the Clinch Sandstone, Rose Hill Formation, and Rockwood Formation, Issues 1402-1405