1940 BBL (Lincoln Area, Wyoming)
The 1940 BBL (Lincoln Area, Wyoming) vertical, black and white (panchromatic) aerial project was acquired by the Agricultural Adjustment Administration (AAA), now the Farm Service Agency (FSA), at a scale of 1:20,000 and covers parts of Wyoming and Utah.
Project Year 1935-1939 1940-1949 1950-1959 1960-1969 1970-1979 1980-1989 1990-1999 2000-2009 2010-2024