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Fred Dawson and postman

Fred Dawson and postman

Fred Dawson and postman

Jim Fuller with other mechanical division employees

Jim Fuller with other mechanical division employees

Refinery ambulances; Buick, Ford(?) at a garage.

Refinery ambulances; Buick, Ford(?) at a garage.

Collapse of a ladder station.

Collapse of a ladder station.

R.V. Heinze safety trophy Casper Wyo 1929