The Salt Lake Tribune occasionally presents images from its archives in a special series called A Look Back. This installment shows images of weapons testing at Dugway Chemical Warfare Depot during World War II.

Previous installments showed:

Kennecott Utah Copper Mine in the 1930s and 1940s • http://bit.ly/qwqapW

The Civilian Conservation Corps in the 1930s and 1940s • http://bit.ly/ob9taQ

The Sept. 11, 2001, terrorist attacks • http://bit.ly/q561uw

Salt Lake City's Memory Grove Park • http://bit.ly/pJduHw

Hill Air Force Base in the 1940s and 1950s • http://bit.ly/oKwZiO

Women's fashion from 1949-50 • http://bit.ly/qyizm9

Salt Lake City in the 1900s • http://bit.ly/n8LwlY

Salt Lake City and other Utah cities in the 1800s • http://bit.ly/pWOlBH

Images from court actions against polygamous men in the 1940s • http://bit.ly/oMgRlu

The centennial Days of '47 parade in downtown Salt Lake City from July 1947 • http://bit.ly/nKcYLJ

Mining town of Mercur, Utah • http://bit.ly/qApcTy

NASA history • http://bit.ly/oCO1RR

Vintage aircraft from around Utah • http://bit.ly/irhYBd

Stereoscopic images of Eureka, Utah, in the early 1900s • http://bit.ly/jF02nD

Salt Lake City's Liberty Park from 1935 to 1951 • http://bit.ly/kkKQc6

Historical images of the 100-year-old Hotel Utah, which is now The Joseph Smith Memorial Building • http://bit.ly/mI7JB8

People and events in Salt Lake City from the 1930s, '40s and '50s • http://bit.ly/kAUB9j

Historical images of Sugar House • http://bit.ly/jHQhnX

Aerial images of Salt Lake City in the 1960s • http://bit.ly/iRGaoN

Every gallery of the series is available at www.sltrib.com/topics/lookback