1. Stratigraphic notes, 1993 : two short papers propose changes in stratigraphic nomenclature in Maryland and Virginia Author/Creator: Drake, Avery Ala, 1927- Publication/Creation: Denver, CO : For sale by U.S. Geological Survey, Map Distribution Resource Type: Book Access & Availability: Loading
2. Tectonic implications of the Indian Run formation, a newly recognized sedimentary mélange in the northern Virginia Piedmont Author/Creator: Drake, Avery Ala, 1927- Publication/Creation: Alexandria, VA : For sale by the Distribution Branch, U.S. Geological Survey Resource Type: Book Access & Availability: Loading
3. The Accotink schist, Lake Barcroft metasandstone, and Popes Head Formation--keys to an understanding of the tectonic evolution of the northern Virginia Piedmont Author/Creator: Drake, Avery Ala, 1927- Publication/Creation: For sale by the Branch of Distribution, U.S. Geological Survey Resource Type: Book Access & Availability: Loading
4. The Lyon Station-Paulins Kill nappe : the frontal structure of the Musconetcong nappe system in eastern Pennsylvania and New Jersey Author/Creator: Drake, Avery Ala, 1927- Publication/Creation: Washington : U.S. Govt. Print. Off, 1978 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 1019-1022. Access & Availability: Loading
5. The Martinsburg formation (Middle and Upper Ordovician) in the Delaware Valley, Pennsylvania-New Jersey : a clarification of the stratigraphy of clastic rocks of Middle and Late Ordovician age in western New Jersey and eastern Pennsylvania Author/Creator: Drake, Avery Ala, 1927- Publication/Creation: [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1967 Resource Type: Book Access & Availability: Loading
6. The Martinsburg formation (Middle and Upper Ordovician) in the Delaware Valley, Pennsylvania-New Jersey Author/Creator: Drake, Avery Ala, 1927- Publication/Creation: [Washington] : [U.S. Govt. Print. Off], [1967] Resource Type: Book Is Part Of: U.S. Geological Survey bulletin, no.1243-1244. Access & Availability: Loading
7. Carbonate rocks of Cambrian and Ordovician age, Northhampton and Bucks Counties, eastern Pennsylvania, and Warren and Hunterdon Counties, western New Jersey Author/Creator: Drake, Avery Ala, 1927- Publication/Creation: Washington [D.C.] : U.S. G.P.O., 1965 Resource Type: Book Is Part Of: U.S. Geological Survey bulletin, no. 1193-1194. Access & Availability: Loading
8. Geology of the Wood and East Calhoun mines, Central City district, Gilpin County, Colorado Author/Creator: Drake, Avery Ala, 1927- Publication/Creation: Washington [D.C.] : U.S. G.P.O., 1957 Resource Type: Book Is Part Of: U.S. Geological Survey bulletin, no. 1031-1032. Access & Availability: Loading