The Guadalupian Fauna
George H. Girty
1908, Professional Paper 58
The first descriptions of the Guadalupian fauna were published nearly fifty years ago. This early account of Shumard's was meager enough, but gave promise of a facies interesting and novel among the known Carboniferous faunas of North America. The following pages add largely to our knowledge of Guadalupian life, and...
Economic geology of the Georgetown quadrangle (together with the Empire district), Colorado
Josiah E. Spurr, George H. Garrey, Sydney H. Ball
1908, Professional Paper 63
No abstract available....
The interpretation of topographic maps
Rollin D. Salisbury, Wallace Walter Atwood
1908, Professional Paper 60
The geology and ore deposits of the Coeur d'Alene district, Idaho
F. L. Ransome, Frank Cathcart Calkins
1908, Professional Paper 62
The area commonly known as the Coeur d'Alene district (although for purposes of record and administration it has been divided into a number of local mining districts) is situated, so far as its productive...
Geography and geology of a portion of southwestern Wyoming with special reference to coal and oil
A. C. Veatch
1907, Professional Paper 56
No abstract available....
Geology of the Marysville mining district, Montana: A study of igneous intrusion and contact metamorphism
Joseph Barrell
1907, Professional Paper 57
The Marysville mining district had been for many years previous to 1899 one of the noted gold-producing centers of Montana. The mines are situated around the margins of in irregular batholith of quartz diorite, whose surface exposure is from half a mile to 1 1/2 miles broad and 2 1/2...
Geology and gold deposits of the Cripple Creek district, Colorado
Waldemar Lindgren, Frederick Leslie Ransome
1906, Professional Paper 54
The Cripple Creek gold deposits, discovered in 1891, were investigated by Messrs. Cross and Penrose, of the United States Geological Survey, in 1894. The present reexamination was requested by citizens of Colorado, and . has been carried out under the financial cooperation of the State with the Federal Survey. It...
Geology and underground waters of the Arkansas Valley in eastern Colorado
N. H. Darton
1906, Professional Paper 52
In the valley of Arkansas River in southeastern Colorado there is an area of considerable extent in which artesian flows are available. During the last ten years numerous wells have been sunk to develop this important resource and, in most cases in the lower lands, abundant water supplies have been...
Geology and water resources of the Bighorn Basin, Wyoming
C.A. Fisher
1906, Professional Paper 53
This paper is the result of field work done during the seasons of 1904 and 1905 It is designed mainly to furnish information regarding geologic structure and the prospects for underground water. The description of the formations of the Bighorn Mountain area is chiefly the work of N. H. Darton,...
The Montana lobe of the Keewatin ice sheet
F.H.H. Calhoun
1906, Professional Paper 50
Just south of the forty-ninth parallel and east of the Rocky Mountains is an area that is of much interest to glacialists. It is the area which lay between the Keewatin ice sheet and the mountain glaciers coming from the west. Although it has been known for nearly twenty years...
Geology and mineral resources of part of the Cumberland Gap coal field, Kentucky
G. H. Ashley, L. C. Glenn
1906, Professional Paper 49
The Cumberland Gap coal field lies in Bell and Harlan counties, in the southeast corner of Kentucky and in Claiborne and Campbell counties, Tenn., and extends in a general northeast-southwest direction between Pine and Cumberland mountains from Fork Mountain on the southwest to the heads of Poor and Clover forks...
The Tertiary and Quaternary pectens of California
Ralph Arnold
1906, Professional Paper 47
This paper consists of two parts. The first is a brief outline of the different Tertiary and Pleistocene formations of California, giving the type localities, where, when, and by whom first described, their salient characters, where they and their supposed equiyalents are known to occur, the species of Pecten found...
The geography and geology of Alaska; a summary of existing knowledge, with a section on climate, and a topographic map and description thereof
A. H. Brooks, Cleveland Abbe Jr., R.U. Goode
1906, Professional Paper 45
Alaska, the largest outlying possession of the United States, is that great land mass forming the northwestern extremity of the North American continent, whose western point is within 60 miles of the Asiatic coast (PI. II). About one-quarter of this area lies within the Arctic Circle, and from the standpoint...
Ore deposits of the Silver Peak quadrangle, Nevada
J. E. Spurr
1906, Professional Paper 55
Geology and underground water resources of northern Louisiana and southern Arkansas
A. C. Veatch
1906, Professional Paper 46
In the fall of 1902 arrangements were made with the Geological Survey of Louisiana for the writer to prepare a report on the geology and underground water resources of northern Louisiana. In the prosecution of this work it was found necessary, in order that the questions involved might be more...
Underground water resources of Long Island, New York
A. C. Veatch, Charles Sumner Slichter, Isaiah Bowman, W.O. Crosby, R.E. Horton
1906, Professional Paper 44
As Long Island is the largest island on the eastern coast of the United States, and is of such size, 120 miles long and 23 miles wide, that it is a more or less noticeable feature on even very small-scale maps, little need be said of its general geographic position....
Geology of the Bighorn Mountains
N. H. Darton
1906, Professional Paper 51
This report is the result of studies made in the field during the seasons of 1901, 1902, 1903, 1904, and 1905. It relates to an area of about 9,000 square miles, situated mainly in the north-central portion of Wyoming and extending northward into Montana. Its location and general surroundings are...
Report on the operations of the coal-testing plant of the United States Geological Survey at the Louisiana Purchase Exposition, Saint Louis, Missouri, 1904: Part I.--Field work, classification of coals, chemical work
E.W. Parker, J.A. Holmes, M. R. Campbell
1906, Professional Paper 48
The authority for conducting at the Louisiana Purchase Exposition an investigation of the coals and lignites of the United States is contained in the act of Congress providing for the urgent deficiencies in the appropriations for the fiscal year 1905, and approved February 18, 1904, as follows: For analyzing and testing....
The geology of the Perry Basin in southeastern Maine
G. O. Smith, David White
1905, Professional Paper 35
The geologic examination of the Perry district, in southeastern Maine, was undertaken at the request of the Survey Commission of the State of Maine. During the 1902-3 session of the Maine legislature an effort was made by petitioners resident in Washington County to obtain from the State an appropriation of...
Geology of the central Copper River region, Alaska
Walter C. Mendenhall
1905, Professional Paper 41
It is an interesting evidence of the prompt responsiveness of our governmental organization to popular needs that the year 1898, which saw the first rush of argonauts to Alaska as a result of the discovery of the Klondike in 1986, saw also several well-equipped Federal parties at work in the...
Preliminary report on the geology and underground water resources of the central Great Plains
N. H. Darton
1905, Professional Paper 32
The area to which this report relates is shown in Pl. II. It comprises the greater portions of South Dakota, Nebraska, and Kansas, and the eastern portions of Colorado and of Wyoming, an area of about one-half million square miles. It is the result of my investigations during the past...
The copper deposits of the Clifton-Morenci district, Arizona
Waldemar Lindgren
1905, Professional Paper 43
The oldest rocks of the Clifton quadrangle are pre-Cambrian granite and quartzitic schists, separated by an important unconformity from the covering Paleozoic strata. The latter comprise a total thickness of 1,500 feet. At the base lie 200 feet of probably Cambrian quartzitic sandstone, succeeded by 200 to 400 feet of...
Geology of the Tonopah mining district, Nevada
J. E. Spurr
1905, Professional Paper 42
The southern Appalachian forests
H.B. Ayres, W.W. Ashe
1905, Professional Paper 37
In examining so large an area it was found that the best results could be obtained by traversing the roads and trails and making side trips wherever necessary to cover intermediate territory. Upon the topographic maps of the Geological Survey were drawn the outlines of cleared land and the several...
The lead, zinc, and fluorspar deposits of western Kentucky
E. O. Ulrich, W.S.T. Smith
1905, Professional Paper 36
Geography and distinctive characters. The fluorspar, lead, and zinc deposits that were the subject of the investigations reported in this paper are situated hi Livings ton, Crittenden, and Caldwell, and adjacent portions of Christian, Trigg, and Lyon counties, in western Kentucky, and in the counties immediately across the Ohio River,...
