Minerals of Oregon,
Mitchell, Graham John, 1887-
Minerals of Oregon, by Graham John Mitchell. - Salem, Or., 1916. - 61 p. 19 cm. - University of Oregon bulletin. n.s., vol. XIII, no. 3 .
"References": p. 59.
gs 16000193
Mineralogy--Oregon.
QE375 / .M55
Minerals of Oregon, by Graham John Mitchell. - Salem, Or., 1916. - 61 p. 19 cm. - University of Oregon bulletin. n.s., vol. XIII, no. 3 .
"References": p. 59.
gs 16000193
Mineralogy--Oregon.
QE375 / .M55