Box | Folder		Title
		Soil Types and Cancer [subseries]:
22	3	NIH-"Results of Examinations of 3 Men Having Relatively Long Continued Occupation Exposure to DDT", 1 Aug. 1944 [view online]
22	4-5	"Report on an Appraisal of the Toxicity...of Methylated Naphthalene as Solvents for DDT Insecticide Mixtures, 1944 [view online]
22	6	Tech Notes and Articles, 1955-1960 [view online]
22	7	Soil Survey Project, Washington County, MD, 1961 [view online]
22	8	"Soils that Support Us" Excerpts and Topo Maps, 1959-1962 [view online]