Introduction
Shown below, there are a total 80 historical, black/white, photographs. They generally follow a chronological order, from the 1890s to the 1970s. When known, more specific dates are provided. The brief photo captions were based upon hand-written notes on the backs of the hardcopy photographs and/or recollections of Conservation and Survey Division employees. We hope you enjoy the photographs.
Set 1




















Set 2



















Set 3




















Set 4



















