Industrial mineral site no. 1282, known as "Entiat River (L)" is a site in Chelan County, Washington. This site has been associated with pumice. A notation found in DGER Bulletin 37 on page 86 says "Road cut exposes an upper 42-in. bed of pumice and a lower 24-in. bed separated by 6 in. of sand and overlain by 24 in. of silty soil", and designates the value as "Commercial quantity".