Richard Ingebretsen, founder and president of the Glen Canyon Institute, speaks to journalists under the LaGorce arch in Davis Gulch on a trip on Lake Powell. Landmarks which had previously been submerged in Glen Canyon are now becoming visible with the lower water levels in Lake Powell.Landmarks which had previously been submerged in Glen Canyon are now becoming visible with the lower water levels in Lake Powell. 05.10.2003, 4:59:07 PMGlen Canyon Institute's Richard Ingebretsen.Light plays on the rocks at Cathedral of the Desert, Clear Creek, Lake Powell. Landmarks which had previously been submerged in Glen Canyon are now becoming visible with the lower water levels in Lake Powell.Landmarks which had previously been submerged in Glen Canyon are now becoming visible with the lower water levels in Lake Powell. 05.10.2003, 4:13:07 PMLandmarks which had previously been submerged in Glen Canyon are now becoming visible with the lower water levels in Lake Powell. 05.10.2003, 4:58:36 PMRichard Ingebretsen, founder and president of the Glen Canyon Institute, speaks to journalists on a trip on Lake Powell. . Landmarks which had previously been submerged in Glen Canyon are now becoming visible with the lower water levels in Lake Powell.Richard Ingebretsen, founder and president of the Glen Canyon Institute, speaks to journalists on a trip on Lake Powell. . Landmarks which had previously been submerged in Glen Canyon are now becoming visible with the lower water levels in Lake Powell.Landmarks which had previously been submerged in Glen Canyon are now becoming visible with the lower water levels in Lake Powell. 05.10.2003, 4:58:57 PMRichard Ingebretsen, founder and president of the Glen Canyon Institute, speaks to journalists on a trip on Lake Powell. . Landmarks which had previously been submerged in Glen Canyon are now becoming visible with the lower water levels in Lake Powell.Landmarks which had previously been submerged in Glen Canyon are now becoming visible with the lower water levels in Lake Powell. 05.10.2003, 4:15:37 PMLandmarks which had previously been submerged in Glen Canyon are now becoming visible with the lower water levels in Lake Powell. 05.10.2003, 4:39:11 PMLandmarks which had previously been submerged in Glen Canyon are now becoming visible with the lower water levels in Lake Powell. 05.10.2003, 4:15:38 PMLandmarks which had previously been submerged in Glen Canyon are now becoming visible with the lower water levels in Lake Powell. 05.10.2003, 2:44:35 PMLandmarks which had previously been submerged in Glen Canyon are now becoming visible with the lower water levels in Lake Powell. 05.10.2003, 4:08:39 PMDavis Gulch. Landmarks which had previously been submerged in Glen Canyon are now becoming visible with the lower water levels in Lake Powell.Landmarks which had previously been submerged in Glen Canyon are now becoming visible with the lower water levels in Lake Powell. 05.10.2003, 2:44:48 PMLandmarks which had previously been submerged in Glen Canyon are now becoming visible with the lower water levels in Lake Powell. 05.10.2003, 2:44:32 PMRichard Ingebretsen, founder and president of the Glen Canyon Institute, points out the top of the previously submerged Gregory Natural Bridge. He believes that if the lake drops another five feet, the arch will be above the lake's surface. Landmarks which had previously been submerged in Glen Canyon are now becoming visible with the lower water levels in Lake Powell.Richard Ingebretsen, founder and president of the Glen Canyon Institute, in Davis Gulch, Lake Powell. Landmarks which had previously been submerged in Glen Canyon are now becoming visible with the lower water levels in Lake Powell. Photo by Trent Nelson; 05.10.2003, 4:50:47 PMWearing a hat labelled