An investigation of the reported occurrence of tin at Juniper Ridge, Oregon,
Harrison, Harold Charles, 1907-
An investigation of the reported occurrence of tin at Juniper Ridge, Oregon, by H. C. Harrison. With geology by John Eliot Allen. - [Portland] 1942. - [56] p. illus., maps. 28 cm. - Oregon. State Dept. of Geology and Mineral Industries. Bulletin no. 23 .
Reproduced from type-written copy.
"References" at end of each chapter except the last.
gs 43000002
Tin ores--Oregon.
Tin ores--Analysis.
QE155 / .A3 no. 23
553.45
An investigation of the reported occurrence of tin at Juniper Ridge, Oregon, by H. C. Harrison. With geology by John Eliot Allen. - [Portland] 1942. - [56] p. illus., maps. 28 cm. - Oregon. State Dept. of Geology and Mineral Industries. Bulletin no. 23 .
Reproduced from type-written copy.
"References" at end of each chapter except the last.
gs 43000002
Tin ores--Oregon.
Tin ores--Analysis.
QE155 / .A3 no. 23
553.45