Carrying on Darling’s promise of bringing conservation to our great landscapes across America included gathering millions of acres of land from the Federal Government in order to preserve these precious  sanctuaries. The following is a list of National Wildlife Refuges that Darling helped to create. 

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MATTAMUSKEET NATIONAL WILDLIFE REFUGE   NORTH CAROLINA

TREMPEALEAU NATIONAL WILDLIFE REFUGE    WISCONSIN

DES LACS NATIONAL WILDLIFE REFUGE    NORTH DAKOTA

J. CLARK SALYER NATIONAL WILDLIFE REFUGE    NORTH DAKOTA

LAKE OTIS NATIONAL WILDLIFE REFUGE    NORTH DAKOTA

SHEYENNE LAKE NATIONAL WILDLIFE REFUGE    NORTH DAKOTA

ARROWWOOD NATIONAL WILDLIFE REFUGE    NORTH DAKOTA

SAND LAKE NATIONAL WILDLIFE REFUGE    SOUTH DAKOTA

LACREEK NATIONAL WILDLIFE REFUGE    SOUTH DAKOTA

LOSTWOOD NATIONAL WILDLIFE REFUGE    NORTH DAKOTA

MEDICINE LAKE NATIONAL WILDLIFE REFUGE    MONTANA

LAKE ANDES NATIONAL WILDLIFE REFUGE    SOUTH DAKOTA

SQUAW CREEK NATIONAL WILDLIFE REFUGE    MISSOURI

CHAUTAUQUA NATIONAL WILDLIFE REFUGE    ILLINOIS

WAUBAY NATIONAL WILDLIFE REFUGE    SOUTH DAKOTA

RED ROCK LAKES NATIONAL WILDLIFE REFUGE    MONTANA

OREGON ISLANDS NATIONAL WILDLIFE REFUGE    OREGON

LAKE ISOM NATIONAL WILDLIFE REFUGE    TENNESSEE

SENEY NATIONAL WILDLIFE REFUGE    MISSOURI

VALENTINE NATIONAL WILDLIFE REFUGE    NEBRASKA

UPPER SOURIS NATIONAL WILDLIFE REFUGE    NORTH DAKOTA

WHITE RIVER NATIONAL WILDLIFE REFUGE    ARKANSAS

HART MOUNTAIN NATIONAL ANTELOPE REFUGE    OREGON

ROSE LAKE NATIONAL WILDLIFE REFUGE    NORTH DAKOTA

SCHOOL SECTION LAKE NATIONAL WILDLIFE REFUGE    NORTH DAKOTA

MULESHOE NATIONAL WILDLIFE REFUGE    TEXAS

RICE LAKE NATIONAL WILDLIFE REFUGE    MINNESOTA

DELTA NATIONAL WILDLIFE REFUGE    LOUISIANA