DC Public Library Commons:
Design drawing for the new Department of Argiculture building
DC Public Library Commons:
Harvey W. Wiley conducting experiments in his laboratory
DC Public Library Commons:
Exterior view of of the old Department of Agriculture Building
DC Public Library Commons:
Department of Agriculture ca. 1930
DC Public Library Commons:
Exterior view of the old Department of Agriculture building
DC Public Library Commons:
Exterior view of the old Agriculture building
DC Public Library Commons:
Harvey W. Wiley conducting experiments
DC Public Library Commons:
Exterior of old Agriculture building
DC Public Library Commons:
View of the Redwood Tree House
DC Public Library Commons:
Exterior view of the Department of Agriculture
DC Public Library Commons:
Department of Agriculture: Exterior view of the old and new buildings
DC Public Library Commons:
National Botanic Garden Map
DC Public Library Commons:
Exterior view of the old Agriculture building
DC Public Library Commons:
From Washington Monument