TY  - BOOK
AU  - MacBoyle,Errol
ED  - California State Mining Bureau.
TI  - Mines and mineral resources of Sierra County,: by Errol MacBoyle
AV  - TN24.C2 M25
PY  - 1920///
CY  - Sacramento
PB  - California State Printing Office
KW  - Mines and mineral resources
KW  - California
KW  - Sierra County
N1  - At head of title: California State Mining Bureau; "Chapters of State Mineralogist's report, biennial period, 1917-1918"; Includes bibliographies
ER  -