Geological Highway Map of the Pacific Southwest Region : California, Nevada : [Material cartográfico] /

por Feray, Dan E. 49349, Oetking, Philip comp. 49354, Renfro, H.B. comp. 49355
Publicado em 1973

Geological Highway Map of the Pacific Northwest Region : Washington, Oregon (Idaho in part) : [Material cartográfico] /

por Bennison, Allan P. 49356, Renfro, H.B. comp. 49355, Feray, Dan E. comp. 49349
Publicado em 1973