. The prospector's field-book and guide in the search for and the easy determination of ores and other useful minerals. surface of stream; b, mud and gravel forming bedof stream; c, bed rock; d, auriferous gravel re-tained by the projection of the bed rock. PREPARATORY INSTRUCTION. 41 In Fig. 8, the stream flows as in Fig. 7 acrossthe strike of the rocks, but the gold is found on oneside of the creek, a, bank of stream ; b, mud andother worthless matter lying on the pay dirt: c,auriferous gravel accumulated in the deepest partsof the stream. In Figs. 9 and 10, a, represents the stream; b,mud a
. The prospector's field-book and guide in the search for and the easy determination of ores and other useful minerals. surface of stream; b, mud and gravel forming bedof stream; c, bed rock; d, auriferous gravel re-tained by the projection of the bed rock. PREPARATORY INSTRUCTION. 41 In Fig. 8, the stream flows as in Fig. 7 acrossthe strike of the rocks, but the gold is found on oneside of the creek, a, bank of stream ; b, mud andother worthless matter lying on the pay dirt: c,auriferous gravel accumulated in the deepest partsof the stream. In Figs. 9 and 10, a, represents the stream; b,mud and gravel at bottom of stream; c, bed rock; Fig. Flu. 10.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectprospec, bookyear1903