white+clay
131Medicinal clay — German medicinal clay (Luvos Heilerde) consisting of loess, i.e. a mixture of sand, clay, and silt The use of medicinal clay in folk medicine goes back to prehistoric times. The indigenous peoples around the world still use clay widely, which is… …
132Red Clay Creek — is a tributary of White Clay Creek, approximately 15 miles (24 km) long, in southeastern Pennsylvania and northern Delaware in the United States. The East and West Branches both rise in West Marlborough Twp., near the hamlet of Upland, and flow… …
