Electric Substation Security Wall
Electric Substation Security...
Electric Fish Barrier Box Culvert
Electric Fish Barrier Box...
Riverfront Park Restroom & Maintenance Buildings
Riverfront Park Restroom...
Mallinckrodt Handicap-Accessible Entryway Ramps
Mallinckrodt...
New Salem State Historic Site Box Culvert
New Salem State Historic...
Davit Crane Base Platform
Davit CraneBasePlatform...
Stationary Infantry Target Emplacements
Stationary Infantry Target...
St. Louis University Structural Engineering Lab
St. Louis University...
Lake Byllesby Park Restroom Buildings
Lake Byllesby Park Restroom...
Bin Block Terrace
Bin Block Terrace...