Reclaimed Gravel Pit (LSCR) as Destroyed Alpha Site
SG-1 arrives at Earth's secret off-world base which was recently destroyed by Anubis.
“Death Knell” Filming Locations
Stargate SG-1 episode “Death Knell” was filmed in North Vancouver in Canada.
Spur 7 Beach (LSCR) as River on P3X-984
Sam hides from the Kull warrior after it shoots down the UAV flying overhead.
Source: Stargate SG-1 Locations