Pulvertaft, T.C.R, M.C Andersen, J.B Jørgensen, J.C Knudsen, and L Schiøtte. 1980. “Mapping in the Umanak District, Central West Greenland”. Rapport Grønlands Geologiske Undersøgelse 100 (December). Copenhagen, Denmark:41-44. https://doi.org/10.34194/rapggu.v100.7693.