Mammoth Spring State Park, Arkansas
Mammoth Spring State Park, Arkansas
Frisco Fe
Mammoth Spring State Park - Arkansas
Mammoth Spring State Park - Arkansas
Mammoth Spring State Park - Arkansas
Mammoth Spring, Arkansas
Grand Gulf State Park
Mammoth Spring State Park - Arkansas
Mammoth Spring State Park (Ark.), 16 February 2010
Mammoth Spring State Park (Ark.), 16 February 2010
Mammoth Spring State Park - Arkansas
Mammoth Spring State Park, Arkansas
Mammoth Spring State Park, Arkansas
Grand Gulf State Park, Oregon County (Mo.), 17 September 1988
Mammoth Spring State Park, Arkansas
Mammoth Spring State Park, Arkansas
Mammoth Spring State Park, Arkansas
Mammoth Spring State Park, Arkansas
Mammoth Spring State Park, Arkansas
Mammoth Spring State Park, Arkansas
Mammoth Spring State Park, Arkansas
Mammoth Spring State Park, Arkansas
Mammouth Spring, Arkansas
Mammoth Spring State Park - Arkansas
Rainy day at Mammoth Spring
Mammoth Spring State Park - Arkansas
Mammoth Spring State Park - Arkansas
Mammoth Spring State Park - Arkansas