Transactions . The discharge from the Peltons. Mining Methods op the Yukon 553. 3-eection of a Hill or licnch Claim. The above cro—ection is thai of a hill or bench we have a little moss or muck varying from 6 inches to lfootin depth; below this, fine sand and quartz pebbles varying from .> to 50 feci in depth and carrying a few colors; below this againwe have a coarser material containing fairly large boulders ofquartz, diorite, granite, etc., and varying in depth from 20 to 50feet and increasing in value as bed-rock is readied. There isgenerally from 4 to 6 feet on bed-rock wh
Transactions . The discharge from the Peltons. Mining Methods op the Yukon 553. 3-eection of a Hill or licnch Claim. The above cro—ection is thai of a hill or bench we have a little moss or muck varying from 6 inches to lfootin depth; below this, fine sand and quartz pebbles varying from .> to 50 feci in depth and carrying a few colors; below this againwe have a coarser material containing fairly large boulders ofquartz, diorite, granite, etc., and varying in depth from 20 to 50feet and increasing in value as bed-rock is readied. There isgenerally from 4 to 6 feet on bed-rock which carries thebest pay. Such ground would be prospected by adits andtunnels. In prospecting large tracts of land for dredging pur-s the Keystone drill has proved a most efficient means of getting information as to extent and value of gold-bearing gravels. The following is an approximation to the average cost ofprospecting:— Shaft singingShaft or tunnelsAdits or tunnels without timbering, $ per ft. with timbering |8 50 per ft. .ithout timbering $ pe
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Keywords: ., book, bookcentury1800, booksubjectmineralindustries, bookyear1895
