Geology was in vogue in nineteenth-century America. People crowded lecture halls to hear geologists speak, and parlor mineral cabinets signaled social respectability and intellectual engagement. This was also the heyday of the Hudson River School, and many prominent landscape painters avidly studied geology. Thomas Cole, Asher Durand, Frederic Church, John F. Kensett, William Stanley Haseltine, Thomas Moran, and other artists read scientific texts, participated in geological surveys, and carried rock hammers into the field to collect fossils and mineral specimens. As they crafted their...