Welcome to the Encyclopedia of Arkansas

This Day in Arkansas History

September 1, 1998

The city of Jacksonville (Pulaski County) marked the official end of the Vertac site’s cleanup, which cost more than $150 million. The Vertac site in Jacksonville is one of the nation’s worst hazardous waste sites and Arkansas’s most publicized Superfund site. Cleanup of the area after its abandonment by its corporate owner took more than a decade, and the name “Vertac” soon became synonymous in Arkansas with the fear of industrial pollution.

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About the Encyclopedia

The CALS Encyclopedia of Arkansas is a free, authoritative source of information about the rich history, geography, and culture of Arkansas. It is updated regularly to ensure the people of Arkansas have an accurate and accessible resource to explore our heritage. We invite you to browse our text entries and media galleries to learn more about the people, places, events, legends, and lore of the 25th state. We are continually adding new entries, photographs, maps, videos, quizzes, lesson plans, and more, so check back frequently to see what’s new.

New to Arkansas?
New to Arkansas?

Our overview page covers everything you would want to know about our beautiful state, including state symbols, demographics, and more!

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