1982-1983. Field notes and locality information for various Penn/Perm sections in Nevada completed or visited by Charles A. Ross. Bookmark Collection Context Locality InformationField Notebooks.
1991. Field notes and locality information for many Penn/Perm sections measured in Nevada between July-August 1991. Bookmark Collection Context Locality InformationField Notebooks.
2002. Field notes and locality information for seven Nevada Penn/Perm sections, including Grindstone Mountain, E. Elko Radio Tower, Garden Pass (re-written notes from 7 Sep 1960 and "another try" notes dated 8 Sep 2002), E flank Diamond Range (Riva's Locs), Thompson Ranch, Secret Canyon and Carlin Canyon sections. Bookmark Collection Context Locality InformationField Notebooks.