found: Diavik Diamonds project : environmental assessment overview, 1998:p. iii (Lac de Gras, Northwest Territories ... about 300 km northeast of Yellowknife)
found: Gaz. of Canada, 1980(Gras, Lac de, 64⁰30ʹN, 110⁰30ʹW)
found: NWT geographic names database, June 8, 1999(Gras, Lac de)
found: GeoNames, June 8, 1999(Gras, Lac de)
found: Web. geog.(Gras, Lac de)
found: Lippincott(Gras, Lac de; 64⁰30ʹN, 110⁰30ʹW; 40 mi. long, 3-18 mi. wide; drains N through Contwayto L. into Bathurst Inlet by Burnside R.)
found: GeoNames [algorithmically matched]lake; 64°30ʹ02ʺN 110°30ʹ08ʺW