Prospector's and Miner's Manual

Prospector's and Miner's Manual

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A Practical Reference Book for the Use of Prospectors, Miners, Investors and Mining Men; with a Description of the ... Prismoidal formula: This must be used when the exact volume of a prismoid is desired. ... To find the area of a circle multiply the square of the diameter by .7854, or multiply half the diameter by half theanbsp;...

Title:Prospector's and Miner's Manual
Author:Orville Hugh Packer
Publisher: - 1913


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