Petrology of Parícutin Volcano Mexico: Issue 965

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

Microscopic Determination of the Nonopaque Minerals: Issue 1627

Geology of the Near Islands, Alaska: Issue 1028

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