BIBLIOGRAPHY 147 



F. V. Hayden. Washington, R. O. Polkinhorn, 1879. 

 42 p. 



84 Fuller, M. L. Hydrologic work of U. S. Geological 



survey in eastern United States. (In International geo- 

 graphic congress. Report, 1904. Washington, 1905. 

 p. 509-14) 



[Work of the Survey which deals with underground waters 

 may be grouped under six heads: Bibliographic, statistical, 

 technical, legal, scientific and economic] 



85 Geological survey. (In Cyclopedia of American govern- 



ment. New York, 1914. v. 2, p. 74-5) 



86 Hayes, C. W. The relation of the federal govern- 



ment to the mining industry. (In American mining 

 congress. Proceedings, 1905. Denver, 1906. p. 46- 

 59) 



[Includes a brief history of the U. S. Geological survey and 

 some considerations of its relations to the mining industry] 



87 Hewitt, Abram S. Our national inheritance, and how 



to enjoy it. Speech of Hon. Abram S. Hewitt of New 

 York, delivered in the House of Representatives, Feb. 

 11, 1879. Washington, 1879. 16 p. 



[An eloquent plea for the institution and continuance of an 

 effective geological survey. Recommends consolidation of all 

 the offices of surveyors-general into one, the abolition of the 

 contract system and the appointment of a surveyor-general 

 of the United States] 



88 Hollister, G. P. Hydrographic work of U. S. Geologi- 



cal survey. (In International geographic congress. 

 Report, 1904. Washington, 1905. p. 515-22) 



[Summary of investigations showing determination of quan- 

 tity, including the study of underground waters; determina- 

 tion of quality of water ; publications] 



89 International geological congress. Discussion sur le 



coloriage des cartes geologiques. (In its Compte 

 rendu. Washington, 1891. Washington, 1893. P- 

 208-11) 



[Mr. Powell opened the discussion by exhibiting charts dis- 

 playing the color schemes recently adopted for the general 



