BulletinU.S. Government Printing Office, 1918 |
From inside the book
Results 1-5 of 100
Page 26
... pound of lead is equivalent to 0.474 pound of sulphuric acid ( anhy- drous ) , or , roughly , one- half pound , so that in gen- eral 1 pound of sulphuric acid should convert 2 pounds of lead to a soluble form , provided some of the acid ...
... pound of lead is equivalent to 0.474 pound of sulphuric acid ( anhy- drous ) , or , roughly , one- half pound , so that in gen- eral 1 pound of sulphuric acid should convert 2 pounds of lead to a soluble form , provided some of the acid ...
Page 27
... POUNDS PER TON 800 700 500 200 அ 100 140 5 кой 13 12 0 20 40 60 80 100 120 140 160 180 200 220 LEAD EXTRACTED , POUNDS PER TON content , it is a strange FIGURE 4. - Curves showing relation of lead extraction to con- coincidence that in ...
... POUNDS PER TON 800 700 500 200 அ 100 140 5 кой 13 12 0 20 40 60 80 100 120 140 160 180 200 220 LEAD EXTRACTED , POUNDS PER TON content , it is a strange FIGURE 4. - Curves showing relation of lead extraction to con- coincidence that in ...
Page 38
... pounds of lead can be extracted , giving about 175 pounds of precipitate . 2. About 12 to 20 pounds of sulphuric acid and 30 pounds of lime would be required to precipitate the lead from a ton of this material . 3. About one - fifth of ...
... pounds of lead can be extracted , giving about 175 pounds of precipitate . 2. About 12 to 20 pounds of sulphuric acid and 30 pounds of lime would be required to precipitate the lead from a ton of this material . 3. About one - fifth of ...
Page 39
... pounds . This amount was large enough to permit estimating the mechanical difficulties in handling the various products , and also to permit con- ducting the tests under practically the same conditions as in practice , although the ...
... pounds . This amount was large enough to permit estimating the mechanical difficulties in handling the various products , and also to permit con- ducting the tests under practically the same conditions as in practice , although the ...
Page 40
... pounds of sulphuric acid per ton of ore , a 72 per cent extraction was possible , leaving 1.84 per cent lead in the tailing , supposedly as galena , as it was insoluble in the acid brine . The results of these preliminary tests are ...
... pounds of sulphuric acid per ton of ore , a 72 per cent extraction was possible , leaving 1.84 per cent lead in the tailing , supposedly as galena , as it was insoluble in the acid brine . The results of these preliminary tests are ...
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Common terms and phrases
acid act entitled amount apply assessment blasting brine Bullionville Bureau of Mines calcine calcium calcium chloride California cars cent lead charge churn drills Civil Procedure clay coal containing controlling accounts copper cost detonators drill holes dump duty dynamite employed employee entitled An act expenses explosive extraction feet flotation gold grams hydrogen sulphide injury iron labor lands Laws leaching lead carbonate lead chloride lease lessee liability licenses lien lime limestone loading March material metals method mill miner mineralogist mining bureau mining claim mining corporation negligence nitroglycerin notice obtained oil and gas operating ounces owner oxidized person plant Portland cement pounds precipitate purpose quarry record roaster roasting rock salt silica silver sodium chloride sodium sulphide soluble solution statute steam shovel stockholders sulphate sulphur supervisor tailing temperature tests thereof tion tons volatilization voucher zinc
Popular passages
Page 50 - The land upon which any building, improvement, well or structure is constructed, together with a convenient space about the same, or so much as may be required for the convenient use and occupation thereof, to be determined by the court on rendering judgment, is also subject to the lien, if at the commencement of the work, or of the furnishing of the...
Page 124 - ... writing or notice by publication in the newspaper published nearest the claim, for at least, once a week for ninety days, and if at the expiration of ninety days after such notice in writing or by publication such delinquent should fail or refuse to contribute his proportion of the expenditure required by this section, his interest in the claim shall become the property of his co-owners who have made the required expenditures.
Page 117 - An act to provide for the establishment, maintenance, and support of a bureau, to be known as the state mining bureau, and for the appointment and duties of a board of trustees, to be known as the board of trustees of the state mining bureau...
Page 124 - ... the claim or mine upon which such failure occurred shall be open to relocation, in the same manner as if no location of the same had ever been made...
Page 130 - Mining claims upon veins or lodes of quartz or other rock in place bearing gold, silver, cinnabar, lead, tin, copper, or other valuable deposits...
Page 130 - The location must be distinctly marked on the ground so that its boundaries can be readily traced. All records of mining claims hereafter made shall contain the name or names of the locators, the date of the location, and such a description of the claim or claims located by reference to some natural object or permanent monument as will identify the claim. On each claim located after the tenth day of May, eighteen hundred and seventy-two, and until a patent has been issued therefor, not less than...
Page 49 - ... and every contractor, subcontractor, architect, builder or other person having charge of the construction, alteration, addition to or repair either in whole or in part of any building, or other improvement as aforesaid shall be held to be the agent of the owner for the purposes of this chapter.
Page 190 - The attorney general, or some competent attorney appointed by him for that purpose, must prosecute such action, and the provisions of the Code of Civil Procedure relating to service of summons, pleadings, proofs, trials, and appeals are applicable to the proceedings herein provided for.
Page 101 - ... of such mine as a mode of escape from underground accident or otherwise. And all corporations, associations, owner or owners of mines, as aforesaid, working at a greater depth than three hundred feet, not having any other mode of egress than from the main shaft, shall proceed as herein provided.
Page 164 - Now, therefore, be it Resolved 'by the Assembly of the State of California (the Senate thereof concurring), That the legislature...