Petrology of Parícutin Volcano Mexico: Issue 965

Microscopic Determination of the Nonopaque Minerals: Issue 1627

Geology of the Near Islands, Alaska: Issue 1028

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

Geology of Unalaska Island and Adjacent Insular Shelf, Aleutian Islands, Alaska: Issue 1028

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