 | | Journal (article/letter/editorial) |
| [University of Connecticut] at 20:42 14 January 2015 South Dakota is perhaps best known for its pegmatites, which...Hills are responsible for the accessibility of South Dakota’s itbundant and diverse mineral locations...secondary phosphate minerals. Although some pegmatite mining for feldspar still continues (Jacobson 1994). the...except for the Homestake mine, which has operated for more than 120 years, most mining in the area peaked in...and fewer chances to obtain any. However, some mining, mineral exploration, and mineral collecting continues |
 | | Report (issue) |
| and Tertiary Age of the Northern Black Hills, South Dakota by Lewis H. Shapiro I APR 2 3 1970 DENVER...Geological Engineering South Dakota School of Mines and Technology Rapid City, South Dakota Submitted in accordance...AND IN ALL EARLIER LITERATURE ON THE RUBY BASIN DISTRICT. COLOR KEY FOR ALL MAPS IN THIS REPORT Rock....... 45 Mining Districts ....................... 49 4.1 Bald Mountain Mining District ............Bald Mountain District ....... 49 4.13. Geology of the Bald Mountain Mining District ... 51 ... |
 | | Report (issue) |
| STATE OF SOUTH DAKOTA Nils Boe, Governor MINERALOGY OF THE BLACK HILLS by WILLARD LINCOLN ROBERTS...Associate in Mineralogy Museum of Geology, South Dakota School of Mines and Technology and GEORGE RAPP...Department of Geology and Geological Engineering, South Dakota School of Mines and Technology With the Editorial...Mineralogy South Dakota School of Mines and Technology BULLETIN NUMBER 18 of the South Dakota School of...of Mines and Technology Rapid City, South Dakota PUBLICATIONS STAFF F. L. Partlo J. T. Thomas President |
 | | Report (volume) |
| National Forest, South Dakota and Wyoming U.S. GEOLOGICAL SURVEY BULLETIN 1580 SOUTH DAKOTA WYOMING I -«*&...Geology of the Black Hills National Forest, South Dakota and Wyoming We st from. Washington SHOWING...Geology of the Black Hills National Forest, South Dakota and Wyoming By ED DEWITT, J. A. REDDEN, ANNA...Mineral resources locatable commodities 50 History of mining and exploration 50 Metals 51 Industrial minerals...114 Miscellaneous commodities 115 Utilization of mine tailings 115 Aluminum 115 Bentonite 115 Mineral |
 | | Report (issue) |
| e showmg 'ynclinal structure north of Homemine ____ .. _... _____ .. __ ... __ Schu;ts showmg sudden...•••••••••••••• ------ ..•••..•••.. __ ....•. ---· ___ . Galena section .•.. ------ ••••..•..•.... ____ .:.......Upper eontaet of ~Galena • 11 H lR 24 24 28 . \ ECONmHC RESOURCES...AuGUSTUS .TAGGAR, .Tr. INTRODUCTIOX. The mining district of the Black Hills. compri,ed within the Spearfish...in the following publications: ' m ~ehra~ka awl Dakota Ill 18fl5, 1856, 1857, hy G-. K Warren, Engmeer |
 | | Journal (volume) |
| SATURDAY. JANUARY PubUsbers. TJie Dramlammon Mine. acquirement of several adjoining properties of...eDgraving protect the mine. panic. It have been made to spread reports of a to the mine and its man- efforts...coal famine " in California the Oregon coal-mining helping is Near regions. Marshfield heretofore...peoted change in grade of ore. di- only the Newport mine, but rector in answer to inquiries re- now they...applied to a three-boiler furnace. In the en- New South Wales had offered a reward of graving £* is the |
