REPORT Olf THE SECRETARY GENERAL. 20I 



Mine accidents and uniform records, by Albert H. Fay. 



Practical difficulties of conserving our fuel supply, by John S. Burrows. 



The conservation of copper, by W. H. Emmons. 



The conservation of human energy, by Thomas N. Carver. 



The Federal Government and the Nation's mineral resources, by W. C. 



Mendenhall. 

 The saving of coal through the employment of better mining methods, by 



Frank Haas. 

 Valuation of Federal coed lands, by Floyd W. Parsons and R. Dawson Hall. 



SUBSECTJON 2. 



CONSERVATION OF FORESTS. 



Actitud del Gobierno en materia de bosques nacionales. — Relacion de la 



selvicultura con el desarrollo futuro de Centra y Sud America, by Elias 



Leiva Quir6s. 

 Actitud del Gobierno en materia de bosques nacionales. — Relacidn de la 



selvicultura con el desarrollo futuro de Sud America, by Horacio 



Echegoyen. 

 A forest policy for a nation, by Henry S. Graves. 

 Conservacion de las fuentes naturales de riqueza, agricultura, irrigacidn y 



selvicultura: (a) Actitud del Gobierno en materia de bosques nacionales; 



(b) La relacion de la selvicultura con el desarrollo futuro de Centra y 



Sud America, by Raiil Brln. 

 Contribution a la exploracion forestal en la Patagonia Austral, by Cristobal 



M. Hicken. 

 El iambic y la muerte de las tacuuras en Sud America, by A. de Winkelried 



Bertoni. 

 Forest problems and economic development in South America, by Raphael 



Zon. 

 Government control of grazing on the public lands, by Albert F. Potter. . 

 Scientific forestry for Latin America, by Barrington Moore. 

 South American forest resources and their relation to the world's timber 



supply, by Raphael Zon. 

 The interdependence of forest conservation and forestry education, by J. W. 



Tourney. 

 The lesson of forestry in the Philippine Islands, by Maj. George P. Ahern. 



