Archived Content Notice
: This publication is provided for reference, research or recordkeeping purposes. It is not
subject to the Government of Canada Web Standards and has not been altered or updated since it was archived. Please contact us to
request a format other than those available.
; Jefferson, C W; McCracken, A D; Macey, E; Monro Gray, J M; Nowlan, G S. Geological Association of Canada, Popular
Geoscience 2007, 2 pages (ESS Cont.# 20070387)