No. Title Date
1 Tropical Laboratory 1898-03
2 Tropical Laboratory in Course of Construction 1898-03
3 Buckeye Ditcher Excavating a Drainage Ditch 1913
4 Drainage Ditch in Davie, Fla. 1913
5 Road and Ditch Construction 1913
6 Road Building in the Everglades 1913
7 African Americans Laborers in Field 1920