Technical Report Archive & Image Library (TRAIL) - 8 Matching Results
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- Results of a Biological Reconnoissance of South-Central Idaho
- Brief summary of south-central Idaho, including descriptions of subregions, mammals, birds, and reptiles.
- Correlation Papers: Cambrian
- From outline: This work is a review, by one who is working in the Cambrian field, of the work of his predecessors, and of the results they and he have thus far obtained as he interprets them. It thus becomes historical and descriptive, and is a general statement of the principles upon which the correlations have been made in establishing the group.
- Correlation Papers: Cretaceous
- From outline: The primary object of this bulletin is the presentation of a summary of our present knowledge of the North American Cretaceons and a discussion of the system as it is developed on this continent, discussion of or direct reference to the details of the system as it is developed in other parts of the world being omitted.
- Correlation Papers: Eocene
- From outline: This essay comprises, first, a general discussion of the limitations of the term Eocene as employed in American geology. The two-fold character of the Tertiary (1. Eocene, 2. Neocene) in America is insisted on. After a somewhat extended review of the literature, in which the various opinions upon disputed points are especially considered, a general study of the stratigraphical, paleontological, and topographical characteristics of the Eocene in the various portions of the country is undertaken.
- A Late Volcanic Eruption in Northern California and its Peculiar Lava
- Synopsis: The Lassen Peak, Volcanic Ridge, which connects the northern end of the Sierra Nevada in California with the Coast Range and separates the upper portion of the Sacramento Valley from the great interior basin, is composed chiefly of lavas from many volcanic reuptions.
- Record of North American Geology for 1890
- A bibliography which includes geologic publications printed in North America and geologic publications about North America for the year 1890.
- Stratigraphy of the Bitmuninous Coal Field of Pennsylvania, Ohio and West Virginia
- From introduction: This report deals with the Middle and Upper Carboniferous System.
- The Viscosity of Solids
- Preface: This bulletin is a second contribution to the general investigation of the physical contents of rocks, the experiments concerning which follow a general plan devised by Mr. Clarence King.