Some good credit bureaus images i discovered:

Image from page 129 of “California mineral manufacturing for 1920, with county maps” (1921)
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Identifier: califor1920niami00bradrich
Title: Ca mineral manufacturing for 1920, with county maps
12 Months: 1921 (1920s)
Authors: Bradley, Walter W. (Walter Wadsworth), b. 1878 California State Mining Bureau
Topics: Mines and mineral resources
Publisher: Sacramento : Ca State Print. Workplace
Adding Library: University of California Libraries
Digitizing Sponsor: Kahle/Austin Foundation and Omidyar Network

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Text Appearing Before Image:
conceal production of an individual operator in each.•Includes crushed brick and grog.•Includes broken clay for roofing.^Includes kaolin. ■Includes colloidal clay found in soap making. Includes montmorillonite ore stone soap used in petroleum refining, soap and kalsominemanufacture; also includes Cornish stone, useful for pottery. Due to the fact that a given product often requires a mixture ofI many different clays, which they’re not totally all based in the exact same gap,it is important for many clay-working plants to buy some element of theirraw materials off their localities. Therefore, in compiling theclay business figures, much care is needed to prevent duplications. Sofar once we have l)een able to segregate the figures, from data submitted 118 MINERAL INDUSTRY OP CALIFORNIA. because of the operatives, we credited the clay result to your counties fromwhich the raw material originated; and now have deducted tonnages usedin l)riek manufacture, as bricks are classified separately, herein.

Text Appearing After-image:
Sacramento City Library, completed with architectural terra cotta and elegant bricksfrom plant of Gladding-McBean business, Lincoln, Placer County. The values of the various pottery clay products manufactured in Californiaduring 1920lotaled ,923,518 compared to ,076,280 in 1919, theirdistribution becoming shown in following tabulation : standards of Pottery Clay Products, 1920. Product quantity ofproducers Value Architectural terra-cotta 5 Chimney pipe, terra cotta and flue linings 4 empty tile 7 Roofing tile 4 Sewer pipe 6 Stoneware, chemical and sanitary ware 8 Red earthenware 3 flooring, faience, glazed and hand-made tile 9 Miscellaneous, art pottery, terra cotta, garden furniture,mortar colors, vitrified conduit, bisque ware and dollheads complete Aalue. ,092,198 102,468 71,525 340,741 954,906 1,103,686 104,741 57,946 95,307 S?,923,518 STATISTICS OF ANNUAL MANUFACTURING. 119

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