Cite
MLA (8th Edition)
Geologic Map of the Empey Mountain Area, Stevens County, Washington. The Survey, For sale by Information Services, 1996.
APA (7th Edition)
Geologic map of the Empey Mountain area, Stevens County, Washington. (1996). The Survey, For sale by Information Services.
Chicago (17th Edition)
“Geologic Map of the Empey Mountain Area, Stevens County, Washington.” Reston, VA: The Survey, For sale by Information Services, 1996.