scholarly journals Coalbed methane resource assessment of the Dominion coal blocks, southeast British Columbia

1998 ◽  
Author(s):  
F M Dawson ◽  
G F Lawrence ◽  
T C Anderson
Keyword(s):  
British Columbia ◽  
Coalbed Methane ◽  
Resource Assessment

scholarly journals Conservation Evaluation of the Pacific Population of Dwarf Woollyheads, Psilocarphus brevissimus var. brevissimus, in Canada

2006 ◽  
Vol 120 (2) ◽  
pp. 163
Author(s):  
George W. Douglas ◽  
Jenifer L. Penny ◽  
Ksenia Barton
Keyword(s):  
British Columbia ◽  
Coalbed Methane ◽  
Groundwater Levels ◽  
Gas Drilling ◽  
Pacific Population ◽  
South Central ◽  
The Pacific ◽  
Recreational Vehicles ◽  
Forest Openings ◽  
Conservation Evaluation

In Canada, Dwarf Woolly-heads, Psilocarphus brevissimus var. brevissimus, is restricted to the Similkameen River valley, south of Princeton in southwestern British Columbia and the extreme southeast and southwest corners of Alberta and Saskatchewan, respectively. This paper deals with the three British Columbia populations which represent the northwestern limit of the species which ranges from south-central British Columbia, southward in the western United States to Montana, Idaho, Washington, Oregon, Nevada, Utah, Wyoming, California and Baja California, Mexico. In British Columbia, P. brevissimus is associated with calcareous vernal pools and ephemeral pond edges in large forest openings. This habitat is rare in the area the few existing populations could easily be extirpated or degraded through slight changes in groundwater levels, coalbed methane gas drilling, housing development or recreational vehicles.

Mineral resource assessment in British Columbia

1994 ◽  
Vol 3 (4) ◽  
pp. 271-283 ◽  
Author(s):  
E. C. Grunsky ◽  
W. E. Kilby ◽  
N. W. D. Massey
Keyword(s):  
Mineral Resource ◽  
British Columbia ◽  
Resource Assessment ◽  
Mineral Resource Assessment

Methodology of coalbed methane resource assessment

1998 ◽  
Vol 35 (1-4) ◽  
pp. 349-368 ◽  
Author(s):  
Charles M. Boyer ◽  
Bai Qingzhao
Keyword(s):  
Coalbed Methane ◽  
Resource Assessment
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