found: Work cat.: Farnsworth, R.K. Mean monthly, seasonal, and annual pan evaporation for the United States, 1983.
found: AMS glossary, via WWW, May 31, 2007(pan evaporation -- Measured water loss from free water surface of class-A evaporation pan)
found: CBM Clearinghouse glossary, via WWW, May 31, 2007(Pan evaporation -- A measurement of water loss to the atmosphere from a standard evaporation pan with a diameter of 47.5 inches and a depth of 10 inches)
found: NALMS water words glossary, via WWW, May 31, 2007(pan evaporation -- Evaporation in inches from a standard Weather Bureau Class A pan)
found: Bureau of Reclamation glossary, via WWW, May 31, 2007(Pan evaporation -- Evaporative water losses from a standardized pan)
