http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
geology and petrography of Crater lake national park
167, iii pages : xix preliminary leaves (including 2 maps) ; 30 cm.
The geology of Crater Lake National Park / by J.S. Diller -- The petrography of Crater Lake National Park / H.B. Patton.
by Joseph Silas Diller and Horace Bushnell Patton.
Geology by J.S. Diller. Petrography by H.B. Patton.
Also available via Internet as PDF file through Southern Oregon Digital Archives: http://soda.sou.edu. Search Bioregion Collection.
United States. Geological survey. Professional paper ; no. 3. ser B. Descriptive geology 22; ser D. Petrography and mineralogy 21