For your careful consideration here is the Prospector's Field Book and Guide Ninth Edition by H.S. Osborn - revised and updated by M.W. von Bernewitz.  Circa.  The first edition by Mr. Osborn was published in 1910.  This revised and updated edition was published in 1928.

ITEM CONDITION NOTES:  The text is clean and unmarked.  The binding is sound.  The cover has some discoloration and one corner is bumped.  The pages have some age browning.  PLEASE SEE ALL PHOTOS BEFORE BUYING.  

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