Industrial mineral site no. 1722, known as "Lime Lake Area" is a site in Pend Oreille County, Washington. This site has been associated with limestone and marble. A notation found in DGER Bulletin 48 on page 41 says "Gray limestone crops out on the crest and west side of the ridge northwest of Lime Lake. The bedding strikes northeastward and dips moderately to the northwest. The limestone in underlain by dolomite and phyllite", and designates the value as "Bennett estimated the tonnage of rock of this purity in the immediate vicinity of the sample site to be 50,000 tons".
