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Bouguer gravity anomaly, airborne gravity survey of the Patterson Lake area, Athabasca Basin, Alberta and Saskatchewan, parts of
NTS 74-E, F, K and L; Boulanger, O; Kiss, F; Tschirhart, V
. Geological
Survey of Canada, Open File 8533, 2019, 1 sheet,
https://doi.org/10.4095/313525 
Open Access