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Publication Extents

Not all publications have extents, not all extents are completely accurate
The resuscitation of the term Bryn Mawr gravel
Florence Bascom
1925, Professional Paper 132-H
In the course of geologic and physiographic work in eastern Pennsylvania, it has seemed to the writer that the time was ripe for the restriction of the term Brandywine formation, now including presumably both Pliocene and Pleistocene gravels, and the reinstatement of the old term Bryn Mawr gravel for a...
Geologic map of Wyoming
M. R. Campbell, W. B. Emery, K. C. Heald, G. W. Stose, T. W. Stanton, J. D. Sears
1925, Report
No abstract available....
A visit to the Mammoth Cave region of Kentucky
Willis T. Lee
1925, Report
In the spring of 1925 I found opportunity to spend a month in the vicinity of Mammoth Cave, for the purpose of examining the several caverns of that region chiefly from the scenic standpoint, and of obtaining photographs which might be used in discussing them as attractions for sightseers....
Hawaiian Volcano Observatory bulletins - 1925
1925, Report
The Hawaiian Volcano Observatory (HVO) Bulletin series was an informal publication issued between the years 1913 to 1929. Individual issues contain information on volcanic and earthquake activity, volcano research, and volcano monitoring in Hawaii, and issues often included photographs, sketches, and data plots. Information on volcanic activity at other locations...
The volcano letter: A weekly news leaflet of the Hawaiian Volcano Research Association
1925, Report
The Volcano Letter was an informal publication issued at irregular intervals by the Hawaiian Volcano Observatory (HVO) during the years 1925 to 1955. Individual issues contain information on volcanic activity, volcano research, and volcano monitoring in Hawaii. Information on volcanic activity at other locations is also occasionally included.The Volcano Letter...
The data of geochemistry
Frank Wigglesworth Clarke
1924, Bulletin 770
Upon the subject of geochemistry a vast literature exists, but it is widely scattered and portions of it are difficult of access. The general treatises, like the classical works of Bischof and of Koth, are not recent, and great masses of modern data are as yet uncorrelated. The American material...
Ground water in Santa Clara Valley, California
William O. Clark
1924, Water Supply Paper 519
Santa Clara Valley extends southeastward from San Francisco, lying between the Diablo Range on the northeast and the Santa Cruz and Gabilan ranges on the southwest. (See Pl. I.) Its north end is occupied by the southern part of San Francisco Bay. Toward the south it rises gradually and becomes...