Report of the State Mineralogist . is worked occasionally in a small way forlocal use. Owner, Henry Cowell Lime and Cement Company, 2 Marketstreet, San Francisco. Bibl.: Repts. X, p. 621; XII, p. 28; XIII, p. 44. U. S. G. S. 22ndAn. Rept., Part I, pp. 399-404. Santa Cruz Bituminous Rock Mines (formerly the Walrath Mines)are also known as the Pacific Improvement Companys Mines. Thisdeposit has been worked for over thirty years, and is situated at anelevation of from 800 to 900 above sea level. There are three distinctlayers of the bituminous sands, which lie fairly flat. The lower bed orstrata
Report of the State Mineralogist . is worked occasionally in a small way forlocal use. Owner, Henry Cowell Lime and Cement Company, 2 Marketstreet, San Francisco. Bibl.: Repts. X, p. 621; XII, p. 28; XIII, p. 44. U. S. G. S. 22ndAn. Rept., Part I, pp. 399-404. Santa Cruz Bituminous Rock Mines (formerly the Walrath Mines)are also known as the Pacific Improvement Companys Mines. Thisdeposit has been worked for over thirty years, and is situated at anelevation of from 800 to 900 above sea level. There are three distinctlayers of the bituminous sands, which lie fairly flat. The lower bed orstrata is about 7 thick and has not been developed to any extent, asthe work has been confined to the upper and heavier beds. Above thelower bed is a layer of sand 8 thick containing a low percentage ofbitumen. SANTA CRUZ COUNTY. 231 c CO 0) o c a o o o 3 H ?ao 3 co *# in o o 88 s ° m —i 088 OOHll S3 H*inCOaOCS*~r-lrHOO•*oO<Ococo-*ti ojn -1 05 CO .2 <» .2 .2 .: a o ^ o h ^ 3 cap, » 8 * ftp P. ft « £9 &&. 53 o o a B 7h ft ft . O ftfli i! S 4) ft « «flBG£! o, a c +-> +->-(-> ?+-><<p&0000 8 8 8 jt~ OS t~ O N i-h co -* I 111 s I~OCO<NT-lt~10CO-*-t S3 SB S 55 12 S NMJ30C00305 oocp-rr^oso;ooo © fcf CO* CO © £* r-j CO* CQ ?* W00 -f LTn ic ci gj gift CNOO CO U. 00 rH 03 in CO rH in* -t cm co © t- CO WN« fliiH in oo © co io o m in <m © i— co 5 w M h ro rt in ci ^ O co £?• © Jr- t- eg c oo_ t- t—i o o i—( <m oo in co* r-T co* i-h of 5 in i-h asinciOooooi-icoco 1 r-T CO i-h CO S£ fc- -+ CO X> 00© b cococJii—iiflNwtotOoOQ&tH. h ©s co, o in co in t- r-lr-l HrtHrtHHHfiHWN i-l (M *J «H 1—1 t—I OOMOOONlMlS*00 O « IN W W -*i^O OOSMiftOMiM>^ftffi S5 O m (5 Q(M c0o®COO58o»ftwiM»c»io«in ass NCI 95 £ fc S 3 8 S 3 8 (50 rl l5 © 6 IM © <N 00* &
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectminesandmineralresou
