izo THE U. S. GEOLOGICAL SURVEY 



such regulations as he may prescribe, to reimburse the scientific 

 and other employees for expenses incurred by them in the discharge 

 of their duties in the field and paid from their personal funds. 



The Director of the Geological Survey shall, if the regular map 

 work of the Survey is in no wise interfered with thereby, hereafter 

 furnish to any person, concern, institution, State or foreign govern- 

 ment, that shall pay in advance the whole cost thereof with ten per 

 centum added, transfers or copies of any cartographic or other en- 

 graved or lithographic data in the division of engraving and print- 

 ing of the Survey, and the moneys received by the Director for such 

 transfers or copies shall be deposited in the Treasury. 



1909 — Act of March 4, 1909; 35 Stat. L., 989. (An act mak- 

 ing appropriations for sundry civil expenses of the 

 government for the fiscal year ending June thirtieth, 

 nineteen hundred and ten, and for other purposes.) 



The Director of the Geological Survey shall hereafter furnish to 

 any person, concern, or institution, in the interest of education and 

 the dissemination of knowledge, that shall pay in advance the whole 

 cost of material and services thereof, copies of any photographs or 

 lantern slides in the possession of the United States Geological Sur- 

 vey; and the moneys received by the Director for the same shall be 

 deposited in the United States Treasury. 



191 1 — Act of March 1, 191 1; 36 Stat. L., 961. (An Act to 

 enable any state to cooperate with any other state 

 or states, or with the United States, for the protec- 

 tion of the watersheds of navigable streams, and to 

 appoint a commission for the acquisition of lands 

 for the purpose of conserving the navigability of 

 navigable rivers.) 



Provided that before any lands are purchased by the National For- 

 est Reservation Commission said lands shall be examined by the 

 Geological Survey and a report made to the Secretary of Agricul- 

 ture, showing that the control of such lands will promote or protect 

 the navigation of streams on whose watersheds they lie. 



1917— Act of June 12, 1917; 40 Stat. L., 144, 174. (An act 

 making appropriations for sundry civil expenses of 

 the government for the fiscal year ending June thir- 

 tieth, nineteen hundred and eighteen, and for other 

 purposes. ) 



