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Tunnel-channel complexes in the Zephyr area, Ontario: potential high-yield aquifers; Slattery, S R; Barnett, P J; Pugin, A J
-M; Sharpe, D R
; Goodyear, D; Gerber, R E;
Holysh, S; Davies, S. Geological Survey of Canada, Open File 8936, 2023, 42 pages,
https://doi.org/10.4095/331410 
Open Access