Annual report of the State Mineralogist for the year ending ... (1883)
California State Mining Bureau · Sacramento : California State Mining Bureau · leaf 476
nsformation of the original surface, andthe extent of the cutting and filling of the three periods (see Fig 5).The surfaces marked 1 are sections of the gravel deposits of the firstperiod, and those marked 2 are sections of the volcanic cement depositsof the second period. Distinctive… … Ficp. 4000 r- ::=^\ 3000 2000 J000 CLOSE OF FIRST PERIOD Jvs5
California State Mining Bureau · Mines and mineral resources · Gold mines and mining · Geology · Mineralogy
Internet Archive Book Images · University of California, Davis Libraries · No known copyright restrictions (public domain). Free to use for anything.
