Clay dog
Clay dogs are naturally occurring clay formations that are sculpted by river currents from glacially deposited blue-gray clay and then dried by the sun. They exhibit tremendous variety in shape and size, with some being simple and others having highly complex forms. They only occur in a few places in the world. Until recently, Croton Point along the Hudson River produced them, but the clay slope that produced the dogs was subsequently demolished to extend a park lawn.[1] Clay dogs were described in detail in an article by L. P. Gratacap, Opinions on Clay Stones and Concretions.[2]
References[edit]
- ↑ Ward, Colin (1982). "Jane Jacobs and the Clay Dogs". Built Environment. Alexandrine Press. 8 (4): 229–231. JSTOR 23286047.
- ↑ Gratacap, L.P. (September 1884). "Opinions on Clay Stones and Concretions". The American Naturalist. University of Chicago Press. 18: 882–892. doi:10.1086/273756. JSTOR 2450388.
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