Vol. s3-39, Issue 231, 1890March 01, 1890 EDT
Notes on the Cretaceous of the British Columbia Region; the Nanaimo Group
Notes on the Cretaceous of the British Columbia Region; the Nanaimo Group
George Mercer Dawson,
Dawson, G. M. (1890). Notes on the Cretaceous of the British Columbia region; the Nanaimo group. American Journal of Science, s3-39(231), 180–183. https://doi.org/10.2475/ajs.s3-39.231.180