106 C. D. WALCOTT — OUTLOOK OF THE GEOLOGIST IN AMERICA 



economic problems of the Menominee and Iron River districts. Gordon 

 examined the oil and gas wells of the region about Port Huron, and 

 McLouth studied the surface geology and oil wells about Muskegon. 



In Wisconsin, Buckley continued the investigation of road materials 

 and road construction, and Fenneman a physiographic survey of the 

 lakes of the southern and eastern districts. Weidman made a study of 

 the formations of Marathon and adjacent counties, and Hobbs of the 

 pre-Cambrian volcanic rocks of the Fox River valley. Hobbs also com- 

 pleted his study of the pre-Cambrian volcanic rocks of the Fox River 

 valley. . Bayley continued work on the Florence iron district. Grant 

 continued laboratory work on the geology and petrology of the Keween- 

 awan rocks. 



In Minnesota, Winch ell was occupied with final publications of the 

 state survey, and Van Hise and Clements continued the investigations 

 of the Vermilion Lake iron district. 



Calvin and his assistants, of the Iowa survey, continued the field in- 

 vestigation of clays and the collection of data as to artesian wells and 

 the tracing of the boundary of the Iowa drift, besides carrying on areal 

 work in Howard, Tama, Buena Vista, Cherokee, Monroe, Wapello, and 

 Jefferson counties. 



Buckley, after his appointment as state geologist of Missouri, began 

 investigations of the quanying industries, of materials for road construc- 

 tion, and of the lead and zinc deposits of the central district. In other 

 lead and zinc districts the work of W. S. Tangier Smith was continued. 



Adams made a field study of the relations of the Red Beds of Okla- 

 homa to the Permian and Carboniferous series in Kansas. Taff made 

 an areal survey of the Tahlequah and Salisaw districts, in Indian Terri- 

 tory, and a reconnoissance of Arbuckle mountain and the Wichita uplift. 



In Kansas, Haworth made economic studies of petroleum, natural 

 gas, and ores of lead and zinc, and Williston worked in the field and 

 laboratory on vertebrate paleontology. 



The Tertiary measures of Sioux county, Nebraska, were explored for 

 vertebrate remains by a party from the Carnegie Museum. 



In South Dakota, Darton and Todd continued the systematic and 

 economic investigation of underground waters of Butte, Jerauld, and 

 Sanborn counties, and Wieland and Granger searched for dinosaurian 

 remains on the rim of the Black hills. Hovev worked on the geology 

 of the Red Beds and Jura of the Black hills. Darton and Hall made 

 areal surveys in North Dakota with special reference to the geology of 

 artesian waters. 



Weed continued detailed investigations of the Butte and Marysville 

 districts of Montana. Willis, in a reconnoissance along the international 



