A geological reconnaissance across the Cascade range near the forty-ninth parallel Smith, George Otis 1871-1944 creator Calkins, Frank C. joint author. text dcu Washington Govt. Print. Off. 1904 monographic eng
print
103, iii p. : ill., 4 pl. (incl. map) ; 24 cm. by George Otis Smith and Frank C. Calkins. Subject series: B, Descriptive geology, 41 ; D, Petrography and mineralogy, 28. Includes index. n-us-wa Geology Washington (State) Petrology Washington (State) Cascade Range QE75 .B9 no. 235 Bulletin ; no. 235 Geological Survey (U.S.). gs 04000157 DLC 790205 20260227111259.0 gs 04000157