ECU Libraries Catalog
Park Spring quadrangle, North Carolina--Caswell Co. : 7.5 minute series (topographic)
MLA
Park Spring Quadrangle, North Carolina--caswell Co. : 7.5 Minute Series (topographic). Photoinspected 2002, boundaries verified 2002. Reston, Va.: U.S. Geological Survey , 2002.
APA
(2002). Park Spring quadrangle, North Carolina--Caswell Co. : 7.5 minute series (topographic). Photoinspected 2002, boundaries verified 2002. Reston, Va.: U.S. Geological Survey .
Chicago
Park Spring Quadrangle, North Carolina--Caswell Co.: 7.5 Minute Series (topographic). Photoinspected 2002, boundaries verified 2002. Reston, Va.: U.S. Geological Survey, 2002.