Special Features - Slideshow

Orra White Hitchcock’s Classroom Art

"Vallies", 1828-1840, 33 x 175 cm., Pen and ink on linen Image courtesy of Edward and Orra White Hitchcock Papers, Amherst College Archives and Special Collections, Amherst College Library.

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About this Image

This chart depicts different types of valleys. A "valley of subsidence" is one caused by sinking of the ground.