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Showing: 1 to 10 of 229 matches for "yuba"  Page   1   2   3   4   5   6   7   8   9  next
TITLE Coming Events 
SUMMARY ... If the minerals you plan to process require the han- . dling of huge quantities
of earth, gravel or rock, con- sult YUBA. ... ASK YUBA FOR HELP ...
PUBLISHED 1952
TITLE Extending The Scope Of Placer Dredging 
SUMMARY ... At Hammonton, Calif., Yuba Con- solidated Gold Fields has, within the past two years,
built its dredge KO. 20. ... Yuba No. 20, capable of digging 124 ft. ...
AUTHOR Romanowitz, C. M. ; Sawin, H. A.
PUBLISHED 1941
TITLE Papers - Mining - Extending the Scope of Placer Dredging. (Mining Technology, July 1941) 
SUMMARY ... DEEP DREDGING large boulders, or for some other reason H calif., yuba con- ... opment
of dredges and equipment to oper- ate at increased digging depths. Yuba No. ...
AUTHOR Romanowitz, C.M. ; Sawin, H. A.
PUBLISHED 1943
TITLE Extending The Scope Of Placer Dredging 
SUMMARY ... At Hammonton, Calif., Yuba Con- solidated Gold Fields has, within the past two years,
built its dredge No. 20. ... Yuba No. 20, capable of digging 124 ft. ...
AUTHOR Romanowitz, C. M. ; Sawin, H. A.
PUBLISHED 1941
TITLE Mining Engineering News 
SUMMARY ... Page 3. A. YUBA No. ... ft. buckets and 8 0 4 digging depth for Emigrant Dredging Co.,
dredging gold in Montana, 1941. 6. YUBA crew dismantled No. ...
PUBLISHED 1953
TITLE Heavy-medium and gravity separation at Iscor's tin-ore and iron-ore mines 
SUMMARY ... 1) Crushed ore is fed onto a sloping screen ahead of the primary Yuba M8-8 jig at
HO t/h. The Yabu jig produces a product assaying about 1,5 per cent tin from ...
AUTHOR Voges, H. C.
PUBLISHED 1982
TITLE Land Restoration on the Taramakau River 
SUMMARY ... n • This dredge, a "Yuba" type, was designed and built in the 1930's. On ... A
characteristic of the Yuba-type dredge is the large "spuds" (2) ...
AUTHOR F K Buckley
PUBLISHED 1981
TITLE The Gold Placer Industry, Present and Future 
SUMMARY ... It is clearly of the California-type design and ossibly a co y of the Yuba dred
es sold to Russia; in 192.5 four, 13% f and one, 7 f! in 1947 seven, t P ...
AUTHOR Richardson, Mortimer J.
PUBLISHED 1992
TITLE The History of Gold Dredging 
SUMMARY ... In point of fad, introducing mineral jigs into gold dredges in New Zealand did not
occur until the late 1930's when the California Yuba type dredges were ...
AUTHOR Richardson, Mortimer J.
PUBLISHED 1992
TITLE Investigation Of Henderson Gulch Tungsten Deposit, Granite County, Mont. 
SUMMARY ... A modified Yuba, 4·cubic foot bucket dredge was used in the operation. ... of Portland,
Oreg., put in operation a modified Yuba 4-cubic foot bucket drodge. ...
AUTHOR Hundhausen, Robert J.
PUBLISHED 1949
Showing: 1 to 10 of 229 matches for "yuba"  Page   1   2   3   4   5   6   7   8   9  next

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