"Archived copy"(PDF). Archived from the original(PDF) on September 24, 2015. Retrieved August 17, 2015.{{cite web}}: CS1 maint: archived copy as title (link)
"Hydrologic Classification". National Hydropower Asset Assessment Program (NHAAP). Archived from the original on November 22, 2015. Retrieved November 29, 2015.
"Hydrologic Classification". National Hydropower Asset Assessment Program (NHAAP). Archived from the original on November 22, 2015. Retrieved November 29, 2015.
"Archived copy"(PDF). Archived from the original(PDF) on September 24, 2015. Retrieved August 17, 2015.{{cite web}}: CS1 maint: archived copy as title (link)