found: Estimated load growth of the system of the Northwest Power Pool, [1948]t.p., p. 1, etc. (Northwest Power Pool)
found: Northwest Power Pool tests ..., [1950]t.p. (Coordinating Group of N.W.P.P., Portland, Or.)
found: Its Internet website, March 8, 2007:homepage (Northwest PowerPool, Northwest Power Pool, NWPP; formed 1942; voluntary organization comprised of major generating utilities serving the Northwestern U.S., British Columbia and Alberta; [mailing address] Portland, Or.)
found: OCLC, March 8, 2007:(hdg.: Northwest Power Pool)
