Report on the production, technology, and uses of petroleum and its products . a, b, Sea-level. b, c, Bituminous shale. c, d, Unstratified sand saturated with bitumen d, e, Soil. /, Well, recently commenced (1866). [Fig. 1—page 21.]Section of bituminous rocks on Biggs ranch, Santa Barbara Co., California,. B, Solid bitumen. G, Sandstones and conglomerates. [Fig. 2—page 32.] Bitumen at Selenitza, Albania. Plate X. Monograph on PETROLEUM.

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Keywords: ., bookcentury1800, bookdecade1880, bookpublisherwashi, bookyear1885