Collection includes an album containing 202 black-and-white photographs taken of the girls at Camp Wyonegonic on Highland Lake in Denmark, Maine, during the summer of 1910. Camp Wyonegonic was the first American girls' summer camp, founded in 1902 by Charles E. and Harriet Cobb. The photographs capture the girls' organized activities and lessons, day trips to surrounding areas, and include large-group photographs. Activities pictured include swimming; canoeing; horseback riding; games of tennis, baseball, and soccer; hiking; hay rides, and tent camping. Hollopeter provided detailed identifying information for the majority of the photographs in the album. Six additional black-and-white photographs and one black-and-white negative where loose in the album. There are also 29 black-and-white photographs taken during Hollopeter's final year at the Bennett School in Millbrook, NY, in 1914.
