1939 BPD (Southeastern Nevada Soil Conservation Districts)
The 1939 BPD (Southeastern Nevada Soil Conservation Districts) vertical, black and white (panchromatic) aerial project was acquired by the Soil Conservation Service (SCS), now the Natural Resources Conservation Service (NRCS), at a scale of 1:20,000 over parts of Nevada and Utah.
Project Year 1935-1939 1940-1949 1950-1959 1960-1969 1970-1979 1980-1989 1990-1999 2000-2009 2010-2024