Cliffs and waterholes Hell Hole Gorge National Park, Queensland Australia

Spencer Creek, Queensland Australia

Powell Creek at confluence with Barcoo River, Queensland, Australia

Powell Creek at confluence with Barcoo River, Queensland, Australia

Powell Creek at confluence with Barcoo River, Queensland, Australia

Barcoo River at Powell Creek confluence, Queensland, Australia

Powell Creek at confluence with Barcoo River, Queensland, Australia

Powell Creek, below Hell Hole Waterhole, and Hell Hole Gorge National Park, Queensland, Australia

Powell Creek, at Hell Hole Waterhole, Hell Hole Gorge National Park, Queensland, Australia

Powell Creek, to Hell Hole Waterhole, Hell Hole Gorge National Park, Queensland, Australia

Powell Creek, Queensland, Australia

made flow direction of Barcoo River consistent with topography, from northeast to southwest, Queensland, Australia

Set direction of flow to be consistent with topography (from northeast to southwest) for channels of Coopers Creek and Barocoo River, Queensland, Australia. Part1.

wood at Sheepbridge & Steinhour & Kise Mill Rds, ,near Newberrytown, PA

topology correction in wood near Red Stone Glen, PA

wood at Sheepbridge & Steinhour Rds, near Newberrytown, PA

Conewago Creek river area east of Sheepbridge Rd to I-83.

Perennial portion of Laurel Run, to confluence with Conewago Creek, PA.

Lower 1/2 of Bennett Run to confluence with Conewago Creek, PA

Conewago Creek river area west of Sheepbridge Rd.