588

Regionale Geologie

Ruedemann, R., and G. M. Ehlers Occurrence of the Collingwood Formation in Michigan . In: Contrib. Mus. Geol . Univ. Michigan . II. Ann Arbor 1924.

Sandford, Samuel, and R. W. Stone Useful minerals of the United States .

In: Bull. U. S. Geol. Surv. 585. Washington 1914.

Savage, T. E. On the lower paleozoic strati­graphy of southwestern Illinois.

Aus: Amer. Journ. Sci. XXV. New Haven

1908.

Schlundt, Herman, and R. B. Moore Radio­activity of the thermal waters of Yellowstone National Park .

In: Bull. U. S. Geol. Surv. 395. Washington

1909.

Schmeckebier, L. F. Catalogue and index of the publications of the Hayden, King, Powell, and Wheeler surveys.

Ebendarin: 222. Washington 1904.

Schmidt, Adolf Die Blei- und Zink-Erz-Lager- stätten von Südwest-Missouri. Genetisch­geologische Studie. Habilitationsschrift Heidelberg. Heidelberg 1876.

— On the forms and origin of the lead and zinc deposits of Southwestern Missouri.

In: Transact. Acad. St. Louis III. St. Louis

1878.

Schrader , F. C. Mineral deposits of the Cerbat Range, Black Mountains, and Grand Wash Cliffs, Mohave County , Ariz .

In : Bull. U. S. Geol. Surv. 397. Washington 1909.

— A reconnaissance of the Jarbidge, Contact, and Elk Mountain mining districts, Elko County, Nev .

Ebendarin: 497. Washington 1912.

— The Jarbidge Mining district, Nevada , with a note on the Charleston district. Ebendarin: 714. Washington 1923.

Schrader , F. C., and A. H. Brooks Preliminary report on the Cape Nome Gold Region, Alaska. In: U. S. Geol . Surv. Spec. Publ. a. Wa­shington 1900.

Schrader , F. C., and Erasmus Haworth Eco­nomic geology of the Independence qua­drangle, Kansas .

In: Bull. U. S. Geol. Surv. 296. Washington 1906.

Schrader , F. C., and J. M, Hill Mineral depo­sits of the Santa Rita and Patagonia moun­tains, Ariz .

Ebendarin: 582. Washington 1915.

Schrader , C. F., with notes by W. J. Peters A reconnaissance in northern Alaska across the Rocky Mountains, along Koyukuk, John,

Anaktuvuk, and Colville rivers, and the Arctic coast to Cape Lisburne in 1901.

In: Prof. Pap. U. S. Geol. Surv. 20. Wa­shington 1904.

Schrader , Frank C., and A. Coe Spencer The Geology and Mineral resources of a portion of the Copper River District, Alaska.

In: U. S. Geol . Surv. Spec. Publ. c. Wa­shington 1901.

Schrader , F. C., a. o. Useful minerals of the United States .

In: Bull. U. S. Geol. Surv. 624. Washington 1916.

Schuchert , Charles On the lower devonic and ontaric formations of Maryland.

Aus: Proceed. U. S. Nat. Mus. XXVI. Washington 1903.

— The delimitation of the geological periods illustrated by the paleogeography of North America .

Aus: Advance Copy XII. Congrès géol. Internat. Canada 1913. Ottawa 1913.

— Mammut americanum in Connecticut . With a note on the Farmington specimen by

Richard S. Lull.

Aus: Amer. Journ. Sci. XXXVII. New Haven 1914.

— Medina and Cataract formations of the siluric of New York and Ontario .

Aus: Bull. Geol . Soc. America 25. New York 1914.

Schuchert , Charles, and Joseph Bareli A revi­sed geologic timetable for North-America . Aus: Amer. Jour. Sci. XXXVIII. New Haven 1914.

Schultz, A. R. Geology and geography of a portion of Lincoln County , Wyo .

In : Bull. U. S. Geol. Surv. 543. Washington 1914.

— A geologic reconnaissance for phosphate and coal in southeastern Idaho and western Wyoming .

Ebendarin: 680. Washington 1918.

Schultz, A. R., and Whitman Cross Potash­bearing rocks of the Leucite Hills, Sweet­ water County , Wyo .

Ebendarin: 512. Washington 1912. Schumacher, Paul Researches in the Kjökken- möddings of the coast of Oregon , and of the Santa Barbara Islands and adjacent Main­land.

Aus: Bull. Geol. and geogr. survey. HI. Washington 1877.

Scott, Irving D., and Ralph L. Belknap The Creelsboro Natural Bridge.

In: Pap. Michigan Acad. Sei. Arts and Letters. VII. New York 1927.