MacGregor,J.A., Bottke jr.,W.F., Fahnestock,M.A., Harbeck,J.P., Kjaer,K.H., Paden,J.D., Stillman,D.E., Studinger,M. (2019). A Possible Second Large Subglacial Impact Crater in Northwest Greenland // Geophys. Res. Letters 46:1496
Monika Kumlehn de Mamani & Ingrid Grambow IMPAKTNAMEN: Namen der [Meteorite; Impakte/Krater; Boliden/Fireballs; Tektite] im Sonnensystem.(2018)

Hillshaded ArcticDEM surface elevation across northwestern Greenland, showing both the Hiawatha impact crater along the ice margin and the presently identified structure farther inland to the southeast. Horizontal lines across the panel are mosaicking artifacts. Magenta arrows indicate location of both structures (MacGregorJ.A. et al., 2019).