Contents:
Alaska, Coal resources of: by A. H. Brooks.
Appalachian, Northern, coal Held: by David White, M. R. Campbell, and R. M. Haseltine.
—Southern, coal field; by C. W. Hayes.
Arkansas, southwestern, Chalk of. with notes on its adaptability to manufacture of hydraulic cements: by J. A. Taff.
Atlantic Coast triassic coal field [with bibliography]; by J. B. Woodworth.
Eastern interior coal Held [with bibliography]; by G. H. Ashley.
Michigan, Portland cement industry in: by I. C. Russell.
Northern interior coal field: by A. C. Line.
Pacific Coast. Coal fields of (with bibliography]; by G. O. Smith.
Pennsylvania, northern, Gaines oil Held of; by M. L. Fuller.
Pennsylvania anthracite coal field [with bibliography]: by H. H. Stock.
Rocky Mountain coal fields; by L. S. Storrs.
Southwestern coal field: by J. A. Taff. United States, Coal fields of: by C. W. Hayes.
Western interior coal field: by H. F. Bain.