Geology of the phosphate deposits northeast of Georgetown, Idaho /
Richards, Ralph Webster, 1879-
Geology of the phosphate deposits northeast of Georgetown, Idaho / by R.W. Richards and G.R. Mansfield. - Washington, Govt. Print. Off., 1914. - 76 p. : ill., plates (part fold.) fold. maps, diagr. ; 24 cm. - U.S. Geological survey. Bulletin 577 . - United States. Geological Survey. Bulletin ; 577. .
Includes index.
gs 14000650
Phosphates--Idaho
QE75 / .B9 no. 577
Geology of the phosphate deposits northeast of Georgetown, Idaho / by R.W. Richards and G.R. Mansfield. - Washington, Govt. Print. Off., 1914. - 76 p. : ill., plates (part fold.) fold. maps, diagr. ; 24 cm. - U.S. Geological survey. Bulletin 577 . - United States. Geological Survey. Bulletin ; 577. .
Includes index.
gs 14000650
Phosphates--Idaho
QE75 / .B9 no. 577