_:b6777822	<http://purl.org/dc/terms/bibliographicCitation>	"1940 July, [United States] Forest Service, [United States] Soil Conservation Service, \u201CConsequences of Change in Vegetal Cover\u201D, in Influences of Vegetation and Watershed Treatments on Run-off, Silting, and Stream Flow: A Progress Report of Research (United States Department of Agriculture Miscellaneous Publication; no. 397), Washington, D.C.: United States Department of Agriculture, \u2192OCLC, figure 14 caption, page 45:"@en .
_:b6777822	<http://www.w3.org/1999/02/22-rdf-syntax-ns#value>	"By using a portable artificial \"rainmaker\" it is possible to obtain run-off data for rains of different amounts and intensities under a variety of conditions."@en .