|Aerial 1 1940, Flint to Robie Point
||Aerial 2 1940, Robie Point to No Hands Bridge
||Aerial 3 1940, No Hands Bridge to Quarry
|Aerial 4 1975, Flint to Robie Point
||Aerial 5 1975, Robie Point to No Hands Bridge
||Aerial 6 1975, No Hands Bridge to Quarry
Blasted limestone was dropped through a chute called a glory hole to a cavern that ran beneath the quarry.
5. A heavily constructed gate keeps tresspassers out.
The limestone was loaded into ore cars inside and brought to the crusher/loadout on a curved trestle.