ORCHARD HEATING 47 



REFERENCES 



1. Beals, Edward A., Papers on Frosts and Frost Protection in the 



United Stats, U. S. D. A. Weather Bureau, No. 542, p. 558. 



2. Briggs, Robert R., Papers on Frosts and Frost Protection in the 



United States, U. S. D. A. Weather Bureau, No. 542, p. 589. 



3. Batchelor, L. D., and West, F. L., Variation in Minimum Temper- 



atures Due to the Topography of a Mountain Valley in Its Relation 

 to Fruit-growing, Utah Experiment Station Bulletin 144, Decem- 

 ber, 1915. 



4. Church, J. E., Jr., and Fergusson, S. P., Avoidance and Prevention 



of Frost in the Fruit Belts of Nevada, Nevada Experiment Station 

 Bulletin 79, January, 1912. 



5. Carpenter, Ford A., and Garthwait, J. W., Papers on Frost and 



Frost Protection in the United States, U. S. D. A. Weather Bureau, 

 No. 542, pp. 572-573. 



6. Cline, Joseph L., Papers on Frosts and Frost Protection in the 



United States, U. S. D. A. Weather Bureau, No. 542, pp. 591-592. 



7. Garcia, Fabian, and Rigney, I. W., Hardiness of Fruit-buds and 



Flowers to Frost, New Mexico Experiment Station Bulletin 89, 

 February, 1914. 



8. Grubb, E. H., Protecting and Saving Fruit Crops from Early Spring 



Frosts, published by Oregon Short Line R. R. Company, Salt Lake 

 City, Utah. 



9. Green, Laurenz, Orchard Heating, Iowa Experiment Station Bul- 



letin 129, March, 1912. 



10. Gorthwait, J. W., Papers on Frosts and Frost Protection in the 



United States, U. S. D. A. Weather Bureau, No. 542, pp. 571-572. 



11. Howard, W. L., Protecting Orchards against Frosts and Freezing, 



Missouri Experiment Station Circular 35. 



12. Hermann, Charles F. von, Papers on Frosts and Frost Protection 



in the United States, U. S. D. A. Weather Bureau, No. 542, pp. 

 585-586. 



13. Humphreys, W. J., Papers on Frosts and Frost Protection in the 



United States, U. S. D. A. Weather Bureau, No. 54 % 2, pp. 562-571. 



14. Lewis, C. I., and Brown, F. R., Preliminary Frost Fighting Studies 



in the Rogue River Valley, Oregon Experiment Station Bulletin 

 110, August, 1911. 



15. McAdie, Alexander G., Notes on Frost, U. S. D. A. Farmers' Bul- 



letin 104, December 14, 1910. 



16. Moore^Descriptive Meteorology. 



1 7 . Milham, Meteorology. 



18. Martensen, Moroni, Orchard Heating: Proceedings of the Annual 



Convention of the Utah State Horticultural Society, pp. 29_40, 

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