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Publication Extents

Not all publications have extents, not all extents are completely accurate
Forty-fourth annual report of the Director of the United States Geological Survey
George Otis Smith
1923, Annual Report 44
The direct appropriations for the work under the Geological Survey for the fiscal year 1922 comprised items amounting to $1,450,940. In addition $119,000, to be disbursed under the direction of the Public Printer, was appropriated for printing the reports of the Survey, and allotments of $8,000 and $5,050.93 for miscellaneous...
Geologic literature on North America, 1785-1918; Part I, Bibliography
John M. Nickles
1923, Bulletin 746
The bibliography forming Part I of this compilation includes papers relating to the geology paleontology, petrology, and mineralogy of North America-specifically, the United States, the Dominion of Canada and Newfoundland, the Arctic regions north of the continent, Greenland, Mexico Central America, Panama, and the West Indies including Trinidad-and also the...
Peneplains of the Front Range and Rocky Mountain National Park, Colorado
Willis T. Lee
1923, Bulletin 730-A
The purpose of this paper is to call attention to some of the major surface features in the Rocky Mountain National Park and to point out their probable correlation with similar features in neighboring regions. The observations on which the paper is based were made in the summer of 1916,...
A section of the Paleozoic formations of the Grand Canyon at the Bass trail
L. F. Noble
1923, Professional Paper 131-B
The thick series of horizontal strata of Paleozoic age which makes the greater part of the wall of the Grand Canyon is probably broadly familiar to more people than the strata exposed in any other area in the western United States. Each detail of form or color in the wall...
Additions to the flora of the Wilcox group
Edward Wilber Berry
1923, Professional Paper 131-A
A rather full account of the extensive flora contained in the lower Eocene strata of the Mississippi embayment which are referred to the Wilcox group was published in 1916. At that time it was not possible to obtain sections of the numerous specimens of petrified wood that had been collected...
The shapes of beach pebbles
Chester K. Wentworth
1923, Professional Paper 131-C
There is much confusion in geologic literature as to the shapes of fluvial and beach pebbles and the differences between them, if differences exist. Though the contrary has been asserted, most geologists who have written on the subject appear to hold the view that beach pebbles are generally flatter than...