1. Quaternary geologic map of the Blue Ridge 4° x 6° quadrangle, United States Author/Creator: Geological Survey (U.S.) Publication/Creation: Reston, Va. : U.S. Geological Survey ; Denver, CO : For sale by Map Distribution, 1991 Resource Type: Map Access & Availability: Loading
2. Ancient lavas in Shenandoah National Park near Luray, Virginia : a description of the volcanic rocks of the upper Precambrian (?) Catoctin Formation and a discussion of their environment and mode of eruption Author/Creator: Reed, John Calvin, Jr., 1930- author Publication/Creation: [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1969 Resource Type: Book Access & Availability: Loading