John01 said "Hello in ref to above you could try calling and or emailing the Public Affairs Officer at the base ,best bet is email correspondence as the phone number provided just gives you the base switchboard #,
hope this helps
Canadian Forces Base Shilo
PO Box 5000 Station Main
Shilo, Manitoba
R0K 2A0
Public Affairs Officer: Lori Truscott
email -LORI.TRUSCOTT@forces.gc.ca
Phone: 204-765-3000 "
Hubby works out here and this was his answer when I asked him.
Trig Markers are on the Shilo Ranges which is controlled by Range Control. Access is through them, but that doesn't mean that is where her Trig Marker is.