GRD Locations
Contact
Canadian Head Office – Calgary
Tel: +1.403.202.7479
Fax: +1.403.247.0511
Address:
Suite 1610, 555 4th Ave SW
Calgary, AB.
T2P 3E7
US Head Office-Denver, CO
Tel: +1.303.342.3364
Fax: +1.403.247.0511
Address:
Suite 600H, 1630 Welton Street
Denver ,CO
80202
US Field Office- Gillette, WY
Tel: +1.303.342.3364
Fax: +1.403.247.0511
Address:
413 South Gillette Avenue
Gillette, WY
82716