70 DEPARTMENTAL REPORTS. 



with the Tennessee experiment station ; the testing of drought-resistant 

 grasses and forage plants likely to be of value in the range region, in 

 cooperation with the South Dakota experiment station ; the best crops 

 for supplying forage to supplement the natural ranges and for the 

 improvement of cultivated lands, in cooperation with the New Mexico 

 experiment station ; the best and most practical method for the forma- 

 tion and management of meadows and pastures in the Middle Western 

 States, in cooperation with the Missouri experiment station ; the best 

 grasses for fixing the drifting sands along the Great Lakes and to deter- 

 mine the i)ossibility of converting these into lands productive of for- 

 age and other crops, in cooperation with the Michigan experiment sta- 

 tion ; to find the best grasses for fixing the drifting sands on the Pacific 

 coast, and to determine the possibility of rendering such lands pro- 

 ductive of forage and other crops, and the selection and improvement 

 of varieties of grasses, in cooperation with the Oregon experiment sta- 

 tion; the improvement and renovation of worn-out hay and pasture 

 lands, in cooperation with the New Hampshire experiment station; 

 the use of cover crops for orchards, in cooperation with the Delaware 

 experiment station; pasture and range improvement, in cooperation 

 with the Kansas experiment station; to find the best crops for use in 

 securing a continuous soiling series for dairy and farm stock in the 

 Eastern United States, in cooperation with the Maryland experiment 

 station; to find the best and most practical way of improving the for- 

 age conditions in the dry sections of the Northwest, and especially 

 of renewing the worn-out ranges and devising methods of managing 

 them whereby the highest degree of productivity may be maintained, 

 in cooperation with the Washington experiment station; grasses and 

 forage plants for alkali soils, in cooperation with the Wyoming experi- 

 ment station; to find the best and most practical way for the forma- 

 tion of meadows and pastures and to discover methods of managing 

 them whereby the highest degree of productivity and usefulness may 

 be maintained, in cooperation with the Texas experiment station; to 

 find the best and most practical way of improving the forage conditions 

 in the arid Southwest, and especially of renewing the worn-out ranges 

 and in devising methods of managing them whereby the highest degree 

 of productivity may be maintained, in cooperation with the Arizona 

 experiment station. 



Articles of cooperation have now been signed with thirteen of the 

 State experiment stations. A report of the organization of this plan 

 of cooperation was jiublished as Circular No. 8 from the oflBce of the 

 Secretary. This report was by Mr. Thomas A. Williams, now deceased, 

 and was based on personal visits to many of the State stations, where 

 the subject of the experiments and manner of cooperation were fully 

 discussed with tlie station officials. This work has been continued 

 by Prof. A. S. Hitchcock, of Kansas, who has been placed in charge of 

 cooperative experiments. Reports of progress have already been 

 received from some of the stations, the one from Arizona, prepared 

 by Dr. David Griffiths, expert in field management, deserving special 

 mention. 



ARIZONA. 



The cooperative work with the Arizona experiment station is in the 

 line of range improvement, the land selected for the purpose occupy- 

 ing what is described in the Government surveys as sections 27, 34, 

 35, and 37, T. 14 S. , R. 14 E. , Gila and Salt River meridian, and by order 

 of the President this land was withdrawn from entry and set aside for 



