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Shown here is a concrete fish ladder next to a small dam in a river.
Concrete poles dumped by the bridge in Dania Beach Florida.
Water flowing over a concrete dam in White Rock Lake in Dallas, Texas
Large size square concrete manholes are installed at construction site
Entrance to a beaver hole on the river bank.
A small new beaver dam spans a stream in the winter woods to make a pond and a new wetland ecosystem in Pennsylvania, PA, USA.
Water landscape with  long-leaved violet willow or Salix acutifolia
Ohio & Erie Canal Towpath Trail\nCuyahoga Valley National Park
This is a picture of construction workers from India in Singapore. Picture was taken at Whampoa Estate Canal in Singapore
Water leaking from closed canal lock gate, Lappeenranta Finland
collector for water discharge in the park area. environmental problem. water pollution in a reservoir. environmental pollution. Water pollution provokes algae blooms in the lake or marine environment, and they, by actively multiplying, reduce the level of oxygen in the water.
Gigantic beaver lodge next to boardwalk in a Connecticut swamp, winter
A row of several large cement drain pipes exiting from a cement wall on a hill that is covered with uneven stones, tufts of dead grass, and tree branches.
Beaver dams can cause flooding issues. This photo shows a deceiver system that allows drainage through the dam to maintain desired water levels upstream of the dam.
stream cleaning. to clean the pond from alluvium of mud floated from the surrounding fields. floods will be solved by dredging the soil from the blocked channel in the floodplain, background, floodplain, dig, dredger, flooding, flood, outflow, excavation, groove, grooved, gutter, reservation, erosion, eroded, field, dry wall, base,  design,  sedimentation, natural, dam, gate
Storm drain with pipes protruding from the bank.
A perforated concrete pipe forms part of a stormwater management system in a suburban pond.
Frogs on Water tank (pool) for irrigation in agriculture
Large wet stones covered with moss on the river bank in autumn
Broken wooden pier over the green lake
Staircase on a river waterfall for beavers and other water animals. Wildlife crossing the artificial obstacle
Reservoir dam and waterfall at a hydroelectric power company in Vermont, USA. The cracked concrete walls and aging support structures combined with the eroded rocks and boulders indicate this old New England power plant has been working hard for a long time.\n-- -- --\nRelated images:\n[url=file_closeup?id=28129468][img]/file_thumbview/28129468/1[/img][/url] [url=file_closeup?id=18701438][img]/file_thumbview/18701438/1[/img][/url] [url=file_closeup?id=17994598][img]/file_thumbview/17994598/1[/img][/url] [url=file_closeup?id=18701291][img]/file_thumbview/18701291/1[/img][/url] [url=file_closeup?id=18137126][img]/file_thumbview/18137126/1[/img][/url] [url=file_closeup?id=18699683][img]/file_thumbview/18699683/1[/img][/url] [url=file_closeup?id=39810816][img]/file_thumbview/39810816/1[/img][/url] [url=file_closeup?id=18696765][img]/file_thumbview/18696765/1[/img][/url] [url=file_closeup?id=18700489][img]/file_thumbview/18700489/1[/img][/url] [url=file_closeup?id=63895805][img]/file_thumbview/63895805/1[/img][/url]
A waterfall flowing at park Wall of water A beautiful view of the falling water cascade city fountain close-up pouring
water pollution
The border is the end of this river but there is a hole at the bottom
Business failure.
waterfall from damaged technical structures municipal accident flood water flows out in the room
spring in the mountain beside Nujiang River, Yunan Province, China.
Rusty Metal Culvert Taking Water from an Icy Lake Thaw
In the rocky outcrop of Mt Edwards walking trail, (near Moogerah Dam, Australia), a hollow is filled with water. Bright green moss lines the shaded walls, reflected in the surface, where decaying gumtree leaves also float.
Free Images: "bestof:Duck Hole.jpg en The dam along the Cold River that created the man made pond Duck Hole This dam was destroyed during Hurricane Irene and Duck Hole has"
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