Sign Up for a Free Account

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

Sign Up for a Free Account For information on discounts, see Plans & Pricing

  • 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.

Bunker Hill Lead Smelter, Bradley Rail Siding, Kellogg, Shoshone County, Idaho

In foreground, from left to right, plant dry, slag fuming plant, blast furnace, smelter office, lead and silver refineries are visible. High-velocity flue leads from the lower plant to the bag house and stacks at the top of the smelting facility. (Created by Shauna Hillman, 1993. Courtesy of the U.S. Library of Congress, Prints and Photographs Division, Washington, D.C. Public domain.)

Related Article

Related Media