•
National Park Service Southwest Regional Office, 1937 • Visitor Center, Grand Canyon National Park, 1955 • Visitor Center, Carlsbad Caverns National Park • Visitor Center,
Colorado National Monument Visitor Center Complex, Colorado National Monument
Fruita, Colorado, listed on the
National Register of Historic Places • Visitor Center, Zion National Park, with Cannon and Mullen, 1957–58 • Visitor Center, Bryce Canyon National Park, with Cannon and Mullen, 1957–58 • Visitor Center, Wupatki National Monument, with Lescher and Mahoney • Visitor Center, Organ Pipe Cactus National Monument, with Lescher and Mahoney • Visitor Center, Canyon de Chelly National Monument • Madison Junction Visitor Center, Yellowstone National Park (demolished) • Visitor Center, Mount Rushmore National Memorial (demolished) • Visitor Center, Montezuma Castle National Monument, 1958 • Furnace Creek Visitor Center, Death Valley National Park, 1959 • Hoh Visitor Center, Olympic National Park • Visitor Center, Sunset Crater National Monument • Visitor Center, Curecanti National Recreation Area • Visitor Center, Tonto National Monument • Visitor Center, Navajo National Monument • Visitor Center, Walnut Canyon National Monument • Flamingo Marina, Everglades National Park, 1958 • Visitor Center, Glen Canyon National Recreation Area, 1963–1964 • Visitor Center, Natural Bridges National Monument, 1964 • Hurricane Ridge Visitor Center, Olympic National Park, 1964 •
Logan Pass Visitor Center, Going-to-the-Sun Rd., 18 mi. W. of US 89,
Saint Mary, Montana, listed on the National Register of Historic Places • Visitor Center, Capulin Volcano National Monument, 1963 ==References==