Show you have tried the rest now use the best S standard t an dard boal 0 a STANDARD COAL COO CO general offices kearns building SALT LAKE CITY UTAH I 1 GEOLOGY OF PETROLEUM I 1 by WILLIAM HARVEY EMMONS phd g pages maps and illustrations J very complete just out J I 1 net postpaid I 1 the salt lake mining review distributors i S I 1 salt lake engineering works I 1 I 1 GENERAL machinists I 1 light and heavy machinery built to order blacksmithing and forging j I 1 OFFICE AND WORKS I 1 corner ath south and ath west SALT LAKE CITY S g telephone was fv as 1939 P 0 vox tox 1235 J for economy use hercules flotation oil some advantages of hercules flotation oil 1 every shipment is uniform 2 it is acono economical mical because it recovers a high percentage of concentrate from every ton of ore we are prepared to put at your service vic e an unlimited dependable supply of pine oil made under strict chemical control to meet your needs we invite correspondence from those who are interested HEP CULES wilmington delaware SALES OFFICES new york N Y duluth minn alinn chicago III joplin mo san francisco cal st louis mo alo salt lake city utah chattanooga tenn HERCULES affer CULE S flo flotation ta ti on oils Ao cucco under chemical A P U R R sturtevant APPARATUS is is especially design eil sl and d admirably adapted for mine work auxiliary engines electric motors forced draft apparatus fresh air fans fuel economizers r generating sets steam turbines our or recommendations for your particular requirements will not obligate you in any way the B F sturtevant co SAN FRANCISCO california branch offices at los angeles cal biag salt aalf lake city utah seattle wash mcintyre 1105 1106 white |