Mr. Roald P. Lapperr, Netherlands, visits Potomac Park Levee, District of Columbia by U.S. Army Corps of Engineers, Baltimore District ● portfotolio

©

U.S. Army Corps of Engineers, Baltimore District: Netherlands Ministry of Infrastructure and Environment visits District levee

©

U.S. Army Corps of Engineers, Baltimore District: Netherlands Ministry of Infrastructure and Environment visits District levee

©

U.S. Army Corps of Engineers, Baltimore District: Netherlands Ministry of Infrastructure and Environment visits District levee

©

U.S. Army Corps of Engineers, Baltimore District: Netherlands Ministry of Infrastructure and Environment visits District levee

©

U.S. Army Corps of Engineers, Baltimore District: Netherlands Ministry of Infrastructure and Environment visits District levee

©

U.S. Army Corps of Engineers, Baltimore District: Netherlands Ministry of Infrastructure and Environment visits District levee