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591

Smith, P. S., and H. M. Eakin A geologic reconnaissance in south-eastern Seward Peninsula and the Norton Bay-Nulato region, Alaska .

In: Bull. U. S. Geol. Surv. 449. Washington 1911.

Smith, P. S., a. o. Mineral resources of Alaska , report on progress of investigations in 1924. Ebendarin: 783. Washington 1926.

-Mineral Industrie of Alaska in 1926.

Ebendarin: 797-A. Washington 1927.

Smith, R. A. Oil Development in Michigan and the Anticline at Seul Choiy Point.

In: Pap. Michigan Acad. Sei., Arts, a.

Letters. I. New York 1923.

Smock, J. C. Building Stone in the State of New York .

In: N. York State Mus. Bull. 3. Albany 1888.

— Building Stone in New York .

Ebendarin: 10. Albany 1890.

Soper, E. K., and C. C. Obson The orrurrence and uses of peat in the United States .

In: Bull. U. S. Geol. Surv. 728. Washington 1922.

Spandel, Erich Die Foraminiferen des Permo- Carbon von Hooser, Kansas , Nord-Amerika . Aus: Abh. Naturh. Ges. Nürnberg . Nürn­berg 1901.

Spencer, Arthur Coe The geology of Massa- nutten Mountain in Virginia . Inaug.-Diss. John Hopkins University 1896.

Washington 1897.

— The copper deposits of the Encampment district, Wyoming.

In: Prof. Pap. U. S. Geol. Surv. 25. Wa­shington 1904.

— The Juneau gold belt, Alasca . A reconnais­sance of Admiralty Island , Alaska , by

C. W. Wright.

In: Bull.U. S.Geol . Surv.287. Washington 1906.

— Magnetite deposits of the Cornwall type in Pennsylvania .

Ebendarin: 359. Washington 1908.

The Atlantic gold district and the North Laramie Mountains, Fremont, Converse, and Albany Counties , Wyo .

Ebendarin: 626. Washington 1916.

— The geology and ore deposits of Ely, Nev . In: Prof. Pap. U. S. Geol. Surv. 96. Wa­shington 1917.

Spock jr., L. E. Geological Reconnaissance of Parts of Grand, Jackson and Larimer Counties, Colorado .

In: Ann. N. Y. Acad. Sei. 30. New York 1928. Springer, Frank A new american jurassic crinoid.

Aus: Proceed. U. S. Nat. Mus. XXXVI. Washington 1909.

Spurr, J. E. The Iron-bearing rocks of the Mesabi Range in Minnesota .

In: Bull. Geol. and Nat. Hist. Surv. of Minnesota . 10. St. Paul 1894.

— Geology of the Aspen mining district, Colorado . Mit Atlas.

In: Monogr. U. S. Geol. Surv. 31. Wa­shington 1898.

— Succession and relation of Lavas in the Great Basin region.

Aus: Journ. of Geology. VIII. Chicago 1900.

— Descriptive geology of Nevada south of the fortieth parallel and adjacent portions of California .

In: Bull. U. S. Geol. Surv. 208. Washington 1903.

— The ore deposits of Tonopah, Nevada (preliminary report).

Ebendarin: 219. Washington 1903.

— Geology of the Tonopah mining district, Nevada .

In: Prof. Pap. U. S. Geol. Surv. 42. Wa­shington 1905.

— Ore deposits of the Silver Peak quadrangle, Nevada .

Ebendarin: 55. Washington 1906.

Spurr, J. E., and G. H. Garrey Economic geology of the Georgetown quadrangle (together with the Empire district), Colo­ rado , with general geology by S. H. Ball. Ebendarin: 63. Washington 1908. Stadnichenko, T. M. Report on the Scien­tific Results of a Journey to the United States in 1918—19.

In: Records Geol. Comm. Russian Far East. 8. Vladivostok 1920.

V. Staff, Hans Monographie der Fusulinen. (Geplant und begonnen von E. Schellwienf), Teil III: Die Fusulinen (Schellwienien) Nordamerikas .

Aus: Palaeontogr. 59. Stuttgart 1912. Stanton, T. W. The Colorado formation and its invertebrate fauna.

In: Bull. U. S. Geol. Surv. 106. Washington 1893.

— Contributions to the Cretaceous paleon­tology of the Pacific coast: The fauna of the Knoxville beds.

Ebendarin: 133. Washington 1895.

Stanton, T. W., and J. B. Hatcher Geology and paleontology of the Judith River beds, with a chapter on the fossil plants, by

F. H. Knowlton.

Ebendarin: 257. Washington 1905.

Stauffer, Clinton R. The Middle Devonian of Ohio .

In: Bull. Geol . Surv. Ohio (4) 10. Columbus , Ohio 1909.