Contents:
Alaskan geographic names; by Marcus Baker.
Bighorn Mountains, Wyo., Glacial sculpture of; by F. E. Matthes.
Boulder Hot Springs, Mont., Mineral vein formation at; by W. H. Weed.
Camden coal field of southwestern Arkansas, Preliminary report on; by J. A. Taff.
Chandlar and Koyukuk rivers, Alaska, Preliminary report on reconnaissance along, in 1899; by F. C. Sehrader.
Chitina River and Skolai Mountains. Alaska, Reconnaissance of; by Oscar Rohn.
Eastern Choctaw coal field, Ind. T., Geology of: by J. A. Taif and G. I. Adams.
Esmeralda formation, fresh-water lake deposit, by H. W. Turner; with description of fossil plants, by F. H. Knowlton, and of a fossil fish, by F. A. Lucas.
Pyramid Harbor, Reconnaissance from, to Eagle City. Alaska, including description of copper deposits of upper White and Xanana rivers; by A. H. Brooks.
Rico Mountains, Colo., Geology of; by Whitman Cross and A. C. Spencer.