THE USE BOOK. 297 



of the United States in situ, and remain an object of interest, 

 shall be granted. 



3. Permits for the examination of ruins, the excavation of 

 archaeological sites, and the gathering of objects of antiquity 

 will be granted, by the respective Secretaries having jurisdiction, 

 to reputable museums, universities, colleges, or other recognized 

 scientific or educational institutions, or to their duly authorized 

 agents. 



4. No exclusive permits shall be granted for a larger area 

 than the applicant can reasonably be expected to explore fully 

 and systematically within the time limit named in the permit. 



5. Each application for a permit should be filed with the Sec- 

 retary having jurisdiction, and must be accompanied by a defi- 

 nite outline of the proposed work, indicating the name of the 

 institution making the request, the date proposed for beginning 

 the field work, the length of time proposed to be devoted to it, 

 and the person who will have immediate charge of the work. 

 The application must also contain an exact statement of the 

 character of the work, whether examination, excavation, or 

 gathering, and the public museum in which the collections 

 made under the permit are to be permanently preserved. The 

 application must be accompanied by a sketch plan or descrip- 

 tion of the particular site or area to be examined, excavated, 

 or searched, so definite that it can be located on the map with 

 reasonable accuracy. 



6. No permit will be granted for a period of more than three 

 years, but if the work has been diligently prosecuted under the 

 permit the time may be extended for proper cause upon applica- 

 tion. 



7. Failure to begin work under a permit within six months 

 after it is granted, or failure to diligently prosecute such work 

 after it has been begun, shall make the permit void without 

 any order or proceeding by the Secretary having jurisdiction. 



8. Applications for permits shall be referred to the Smith- 

 sonian Institution for recommendation. 



9. Every permit shall be in writing, and copies shall be trans- 

 mitted to the Smithsonian Institution and the field office in 

 charge of the land involved. The permittee will be furnished 

 with a copy of these rules and regulations. 



10. At the close of each season's field work the permittee 

 shall report in duplicate to the Smithsonian Institution, in such 

 form as its Secretary may prescribe, and shall prepare in dupli- 

 cate a catalogue of the collections and of the photographs made 

 during the season, indicating therein such material, if any, as 

 may be available for exchange. 



11. Institutions and persons receiving permits for excavation 

 shall, after the completion of the work, restore the lands upon 



