Annual Report of the State Mineralogist for the Year Ending ..., 9. izdajaState Office, 1890 |
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Zadetki 1–5 od 54
Stran 26
... piping more than a month earlier than usual , while the heavy stock of snow on the mountains insured them an ample water ... pipe - clay and other barren matter . There is everywhere fall enough to prevent any troublesome accumulation of ...
... piping more than a month earlier than usual , while the heavy stock of snow on the mountains insured them an ample water ... pipe - clay and other barren matter . There is everywhere fall enough to prevent any troublesome accumulation of ...
Stran 39
... pipe connected with the pump was lowered to the gravel . On starting the pump , sand and gravel , with much water , were raised and emptied into sluice - boxes placed on deck , the discharge being continuous . When nec- essary , divers ...
... pipe connected with the pump was lowered to the gravel . On starting the pump , sand and gravel , with much water , were raised and emptied into sluice - boxes placed on deck , the discharge being continuous . When nec- essary , divers ...
Stran 56
... mix with the local material which does not have quite the proper composition . The articles produced are chiefly sewer pipes , flower pots , etc. SAN NICOLAS ISLAND . By DR . STEPHEN BOWERS , 56 REPORT OF THE STATE MINERALOGIST .
... mix with the local material which does not have quite the proper composition . The articles produced are chiefly sewer pipes , flower pots , etc. SAN NICOLAS ISLAND . By DR . STEPHEN BOWERS , 56 REPORT OF THE STATE MINERALOGIST .
Stran 61
... pipes , cups , discs , and a variety of ornaments . Their bone implements consisted of needles , perforators , scrapers , chisels , and also long bones flattened at the end , probably used for removing haliotis and limpets from the ...
... pipes , cups , discs , and a variety of ornaments . Their bone implements consisted of needles , perforators , scrapers , chisels , and also long bones flattened at the end , probably used for removing haliotis and limpets from the ...
Stran 68
... pipes . The charge of granulated metal is now gently boiled for about five to six hours with nitric acid of 38 degrees Baumé , which dissolves the greater part of the silver and base metals , requiring about two pounds of acid to one ...
... pipes . The charge of granulated metal is now gently boiled for about five to six hours with nitric acid of 38 degrees Baumé , which dissolves the greater part of the silver and base metals , requiring about two pounds of acid to one ...
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alloy auriferous average bars basalt bedrock beds bluffs borax bottom bowlders breccia bullion California Cañada Cañon cement cent channel chloride clay colors Company containing copper County Creek crucible degrees Baumé deposits depth District ditches drift elevation feet deep feet wide fifty feet five flume four furnace geological glaze gold grade granite gravel Gray half Hill hundred and fifty hundred feet hydraulic mining inches ingots Inyo County iron island kaolin lime limestone long tons material melting metal miles mill miner's inch mineral Mojave River mold Mountain Nevada Nutt operations Oro Grande ounces oxide pipe Placer County porcelain portion pottery pounds production quantity quartz Range ridge River rocks sand sandstone Santa shaft short tons silicate silver slate sluices sulphate sulphuric acid surface thence thick thousand tons Township tunnel twelve Valley vats vein volcanic ware washed width