Merkle Natural Resources Management Area is a wildlife refuge in Upper Marlboro, Maryland that is operated by the Maryland Department of Natural Resources. The site encompasses 1,670 acres and is a wintering ground and breeding area for Canada geese. It was founded by Edgar A. Merkle, the founder of Merkle Press originally in Washington, D.C., and later, in Glenn Dale, Maryland, which printed Sports Illustrated, Life, and many other publications.