Control Plan, scale: 1"=400'

Chicago citation style
Forest Preserve District of Cook County, Illinois (Ill.). Control Plan, scale: 1"=400'. 1930; 1931; 1932; 1933; 1934; 1935; 1936; 1937; 1938; 1939; 1940; 1941; 1942; 1943; 1944; 1945; 1946; 1947; 1948; 1949; 1950; 1951; 1952; 1953; 1954; 1955; 1956; 1957; 1958; 1959. Retrieved from the Digital Public Library of America, http://collections.carli.illinois.edu/cdm/ref/collection/uic_ccfpbp/id/886. (Accessed April 14, 2021.)
APA citation style
Forest Preserve District of Cook County, Illinois (Ill.), (1930; 1931; 1932; 1933; 1934; 1935; 1936; 1937; 1938; 1939; 1940; 1941; 1942; 1943; 1944; 1945; 1946; 1947; 1948; 1949; 1950; 1951; 1952; 1953; 1954; 1955; 1956; 1957; 1958; 1959) Control Plan, scale: 1"=400'. Retrieved from the Digital Public Library of America, http://collections.carli.illinois.edu/cdm/ref/collection/uic_ccfpbp/id/886
MLA citation style
Forest Preserve District of Cook County, Illinois (Ill.). Retrieved from the Digital Public Library of America <http://collections.carli.illinois.edu/cdm/ref/collection/uic_ccfpbp/id/886>.
Note: These citations are programmatically generated and may be incomplete.