Kenneth R. Wright
Machu Picchu
Tipon
Incamisana
Water Mysteries of Mesa Verde
Water rights of the eastern United States
Archaeological excavations and exploration at Machu Picchu, June 2004
Archaeological exploration of the Inca trail, east flank of Machu Picchu & palynology of terraces
Inca Engineering
Machu Picchu engineering archaelogical exploration of September 2002
Mesa Verde paleohydrology
Mesa Verde paleohydrology, Box Elder Reservoir Site 5MV4505
Moray