Biblio
“Effect of Soil Contamination on the Mineral Composition of Forage Fertilized with Nitrogen”, Journal of Range Management, vol. 36, no. 3, p. 286, 1983.
, , “Soil Ingestion by Cattle on Semiarid Range as Reflected by Titanium Analysis of Feces”, Journal of Range Management, vol. 28, no. 6, p. 448, 1975.
, “1983 Progress Report -- Research in Rangeland Management: Soil Ingestion by Umgulates Grazing a Sagebrush-Bunchgrass Range in Eastern Oregon”, Oregon Agricultural Experiment Station, 1983.
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