Kennedy, B. W., & Langley, D. E. (2007). Assessment of hydrology, water quality, and trace elements in selected placer-mined creeks in the Birch Creek watershed near Central, Alaska, 2001-05. U.S. Geological Survey.
Chicago Style (17th ed.) CitationKennedy, Ben W., and Dustin E. Langley. Assessment of Hydrology, Water Quality, and Trace Elements in Selected Placer-mined Creeks in the Birch Creek Watershed Near Central, Alaska, 2001-05. Reston, Va.: U.S. Geological Survey, 2007.
MLA (9th ed.) CitationKennedy, Ben W., and Dustin E. Langley. Assessment of Hydrology, Water Quality, and Trace Elements in Selected Placer-mined Creeks in the Birch Creek Watershed Near Central, Alaska, 2001-05. U.S. Geological Survey, 2007.
Warning: These citations may not always be 100% accurate.