A variety of potential housing sites for drawing devices...
Railway bridge crossing Annabelle

Connection opening for potential sensors + device

Railway bridge crossing Higgins

Opening to above + drainage pipe

Disraeli Bridge North: opening + ice

Potential post for mounting device + sensors

Remaining hydro poles: potentially mounting location

Potential post for mounting device + sensor

King Motel on Higgins: possible roof location

Transformer structure: potential electrical fields to control devices