22 MISC. PUBLICATION 135, U. S. DEPT. OF AGRICULTURE 
Duties of Secretary of Agriculture. 
Sec. 6. That the Secretary of Agriculture is hereby authorized 
and directed to examine, locate, and recommend for purchase such 
lands as in his judgment may be necessary to the regulation of the 
flow of navigable streams, and to report to the National Forest 
Reservation Commission the results of such examinations: Provided, 
That before any lands are purchased by the National Forest Reserva- 
tion Commission said lands shall be examined by the Geological 
Survey and a report made to the Secretary of Agriculture, showing 
that the control of such lands will promote or protect the navigation 
of streams on whose watersheds they lie. 
Secretary to purchase. 
Sec. 7. That the Secretary of Agriculture is hereby authorized 
to purchase, in the name of the United States, such lands as have 
been approved for purchase by the National Forest Reservation 
Commission at the price or prices fixed by said commission: Pro- 
vided, That no deed or other instrument of conveyance shall be ac- 
cepted or approved by the Secretary of Agriculture under this act 
until the legislature of the State in which the land hes shall have 
consented to the acquisition of such land by the United States for 
the purposes of preserving the navigability of navigable streams. 
Passing upon titles. 
Sec. 8. That the Secretary of Agriculture may do all things neces- 
sary to secure the safe title in the United States to the lands to be 
acquired under this act, but no payment shall be made for any such 
lands until the title shall be satisfactory to the Attorney General 
and shall be vested in the United States. 
Reservation of timber and minerals. 
Sec. 9. That such acquisition may in any case be conditioned 
upon the exception and reservation to the owner from whom title 
passes to the United States of the minerals and of the merchantable 
timber, or either or any part of them, within or upon such lands at 
the date of the conveyance, but in every case such exception and 
reservation and the time within which such timber shall be removed 
and the rules and regulations under which the cutting and removal 
of such timber and the mining and removal of such minerals shall 
be done shall be expressed in the written instrument of conveyance, 
and thereafter the mining, cutting, and removal of the minerals 
and timber so excepted and reserved shall be done only under and 
in obedience to the rules and regulations so expressed. 
Sale of agricultural lands. 
Sec. 10. That inasmuch as small areas of land chiefly valuable for 
agriculture may of necessity or by inadvertence be included in tracts 
acquired under this act, the Secretary of Agriculture may, in his dis- 
cretion, and he is hereby authorized, upon application or otherwise, to 
examine and ascertain the location and extent of such areas as in his 
opinion may be occupied for agricultural purposes without injury to 
the forests or to stream flow and which are not needed for public pur- 
