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Magnetic first vertical derivative map, Warren Lake, Saskatchewan, NTS 64M/15 / Carte de la dérivée première verticale du champ
magnétique, Warren Lake, Saskatchewan, SNRC 64M/15; Carson, J M; Holman, P B; Shives, R B K; Ford, K L; Harper, C T; Slimmon, W.
Geological Survey of Canada, Open File 3951_150, 2001, 1 sheet,
https://doi.org/10.4095/212465 
Open Access