. Appendix to the Journals of the Senate and Assembly of the ... session of the Legislature of the State of California. ll ColumUa MarUe Company. Office, 114 Sansome St., San Fran-cisco. Property consists of 45 acres covering part of the large dolo-mitic marble area of Columbia, at the east side of that town. It is fivemiles by good road from Sonora. Quarrying of marble began inDecember, 1918, and continued at intervals for several years, but nowork has been done for over a year past. There is considerable equip-ment, including derricks, air compressors, etc., the improvements bear-ing an asse
. Appendix to the Journals of the Senate and Assembly of the ... session of the Legislature of the State of California. ll ColumUa MarUe Company. Office, 114 Sansome St., San Fran-cisco. Property consists of 45 acres covering part of the large dolo-mitic marble area of Columbia, at the east side of that town. It is fivemiles by good road from Sonora. Quarrying of marble began inDecember, 1918, and continued at intervals for several years, but nowork has been done for over a year past. There is considerable equip-ment, including derricks, air compressors, etc., the improvements bear-ing an assessed valuation of $38,000. This company found itself hampered in marketing its marble because * Calif, State Min. Bur. 1925. SACRAMENTO FIELD DIVISION 51 of the lack of a sawing plant and polishing equipment and has beenendeavoring to finance these additions. Some vv^aste stone was sold forother uses. G. Bordoli & Bros., Box 513, Sonora, operate a small quarry besidethe road about a mile north of Sonora. The pure white marble is crushedin a rockbreaker to about one-inch size and is shipped for use in View of Marble Quarry of Columbia Marble Company,Tuolumne County. Cohmhhia Marble Company. Main office, 418 Rialto Building, Sanl^^rancisco. 11. K. Van Nordeii, secretary. TIk^ quarry is 2f milesnortheast of Columbia, and on the south side of Stanislaus River, 1100feet from the old quarry which supplied so much marble. II. J. Toffol,Sonora, manager, and W. D. Bannister, superintendent. 52 REPORT OF STATE MINERALOGIST The stone is a handsome and durable dolomitic marble. The prin-cipal product is white with blue veining, although other shades, includ-ing a beautiful buff stone with reddish veining, called Portola marble,have been quarried. The new pit was opened in 1921 and its situationon the steep slope permits eas}^ drainage and disposal of waste. The
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