bibe6003 Rafters in Santa Elena Canyon of the Rio Grande. Big Bend National Park, Texas, USA. http://www.terragalleria.com/parks/np-image.bibe6003.html chis10711 Skiff readied for crossing surf, Cuyler harbor, San Miguel Island. Channel Islands National Park, California, USA. http://www.terragalleria.com/parks/np-image.chis10711.html chis10712 Skiff crossing surf to join tour boat, Cuyler harbor, San Miguel Island. Channel Islands National Park, California, USA. http://www.terragalleria.com/parks/np-image.chis10712.html chis10713 Skiff going back to main boat through surf, Cuyler harbor, San Miguel Island. Channel Islands National Park, California, USA. http://www.terragalleria.com/parks/np-image.chis10713.html chis30173 Campers using a skiff to land, San Miguel Island. Channel Islands National Park, California, USA. http://www.terragalleria.com/parks/np-image.chis30173.html grca8510 Rafting on Colorado River. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca8510.html grca8511 Colorado River with raft. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca8511.html