The North American Bird Phenology Program houses a collection of six million Migration Observer Cards that contain information regarding migration patterns and population status of the birds of North
A migration card on Black-throated Blue Warbler. A large percentage of the cards are in this form.
Wells Cooke
passenger pigeon migration card
The United States Department of Agriculture is an executive department of the United States federal government that aims to meet the needs of commercial farming and livestock food production, promotes
Jamie L. Whitten Building, the headquarters of the U.S. Department of Agriculture
Harvey Washington Wiley, Chief Chemist of the Department of Agriculture's Division of Chemistry (third from the right) with his staff in 1883
The first Department of Agriculture Building on the National Mall around 1895
An IBM System/360 in use at the US Dept. of Agriculture, 1969