This is an image preview.
Start a Free Account
to view the full image.

Nearly 3,000 illustrations, including video clips of neurologic disorders.
Every article is reviewed by our esteemed Editorial Board for accuracy and currency.
Full spectrum of neurology in 1,200 comprehensive articles.
Listen to MedLink on the go with Audio versions of each article.

Prospector "dry" panning for gold, Pinos Altos, New Mexico, 1940 (2)

Download

In dry panning the pan is rotated until the dirt is on one side and then with a decisive toss it is thrown into the air, the light dirt being then blown away by the wind and the heavy gold being caught again in the pan. Source: Photographer Russell Lee (1903-1986), for the Office of War Information. (Courtesy of the U.S. Library of Congress, Prints and Photographs Division, Washington, D.C. Public domain.)