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Alberta Transportation Vertical Data for Quad 55112

=== Line No. PB:217 Nov, 1979 ===
Bench Mark 55112-1 Elevation: 581.470m 1907.71 ft. PLACED AT N. END OF BOGG LAKE BY DUCKS UNLIMITED.
Bench Mark 55112-2 Elevation: 581.421m 1907.55 ft. PLACED AT S. END OF BOGG LAKE BY DUCKS UNLIMITED.