Mark Twain National Forest MPS (NRIS 64500853)

• Ava Ranger Station Historic District (Ava)
• Cassbille Ranger Station Historic District (Cassville)
• Houston Ranger Station Historic District (Houston)
• Rolla Ranger Station Historic District (Rolla)
• Winona Ranger Station Historic District (Winona)

National Park Service documentation: https://npgallery.nps.gov/AssetDetail/NRIS/64500853