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\citation{kerby59}
\citation{kirpich40}
\citation{roussel05}
\citation{hec-hms-3.1.0}
\newlabel{sect:approach}{{}{3}{Development of Subdivision Approach\label {sect:approach}\relax }{Item.8}{}}
\bibstyle{chicago}
\bibdata{watersheds,hydrology}
\bibcite{kerby59}{{1}{1959}{{Kerby}}{{Kerby}}}
\bibcite{kirpich40}{{2}{1940}{{Kirpich}}{{Kirpich}}}
\bibcite{roussel05}{{3}{2005}{{Roussel et~al.}}{{Roussel, Thompson, Fang, Cleveland, and Garcia}}}
\bibcite{hec-hms-3.1.0}{{4}{2006}{{{U.S.~Army Corps of Engineers}}}{{{U.S.~Army Corps of Engineers}}}}