Lock performance monitoring system : summary of lock statistics for October-December 1990 and year to date.

Author/creator Lichy, D. E.
Other author Water Resources Support Center (U.S.)
Format Microform
PublicationFt. Belvoir, Va. : Navigation Data Center, Water Resources Support Center, 1991.
Descriptionxxxvii, 204 pages : maps ; 28 cm.
Subjects

Variant title Summary of lock statistics, October-December 1990
SeriesSummary report ; 91-L-1
Summary report (Water Resources Support Center (U.S.)) ; 91-L-1. ^A1441733
General note"August 1991."
General noteCover title.
General noteShipping List No.: 1994-0320-M.
General noteGPO Cataloging Record Distribution Program (CRDP).
Reproduction noteMicrofiche. [Washington, D.C.] : U.S. G.P.O., [1994]. 3 microfiches.
Genre/formStatistics.
GPO item number0337 (MF)
Govt. docs number D 103.2:L 78