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water spring
streambed
acequia
pigeon spring
streambank
mountain spring
karez
water and stone
streambeds
the source of the danube
water channel
source de la sorgue
culvert
trout breeding
runoff
mountain stream
water frog
water hole
dinosaur footprint
fishpond
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pigeon spring
water spring
the brook
crescent spring
mountain spring
streambank
source de la sorgue
water channel
streambeds
the source of the danube
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manatees
reflection of the surface of the water
reflections in water
aquatic plant
limnology
reflection in water
waterbodies
fishpond
effluents
ripples
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karst area
outcrops
limestone cliff
the limestone cave entrance
the source of the danube
outcrop
rock outcrop
karst landscape
rockfall
hueco
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rock bridge
rock outcrop
creekstone
streambank
limestone cliff
stone bridge
outcrop
outcropping
outfalls
streamside
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pond plants
marsh crocodile
asian water monitor
water channel
everglades rat snake
trout breeding
fish traps
nile crocodile
caiman crocodilus
wastewater treatment
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archerfish
pond frog
water frog
pigeon spring
alligator snapping turtle
snapping turtle
mountain spring
marsh turtle
water spring
water turtle
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floodwater
mangroves
water scape
waterscape
mudflat
water surface
flowing water
sundarbans
waterbody
floodwaters
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mountain spring
water spring
streambed
water sampling point
npdes
mountain stream
hydrogeology
asian water monitor
clear stream
hydrometric
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alewives
blue heron
reiger
acequia
water fowl
fishpond
the source of the danube
pond
waterbird
evros
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honeycomb stone
bear footprint
microhabitat
streambeds
mountain spring
schwaben stone
crescent spring
water spring
tributaries
water and stone
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tuatara
tussock
microhabitat
paparoa national park
antechinus
marsh crocodile
hibernaculum
epiphytes
karamea
in situ
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streambed
limestone wall
bioturbation
flagstone
soil erosion
microhabitat
quarry stones
quarry stone
cement background
wall stone
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pool water surface
water surface
spillway
outfall
green water
spillways
reflection of the surface of the water
water channel
thermal spring
waterscape
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pigeon spring
streambank
streambed
streamside
water spring
outfalls
the brook
stacked stones
streambeds
water and stone
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water and stone
water spring
pigeon spring
culvert
streambank
streambed
fallingwater
mountain spring
outfalls
reflection of the surface of the water
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reflection of the surface of the water
water channel
reflection in water
water mirror
water reflection
reflections in water
stormwater
runoff
mirror water
reflecting pool
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streambed
riverbed
streambank
water surface
glacial melt
water channel
beach erosion
cliff face
sediments
spillway
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streambed
mountain stream
streamside
mountain spring
flowing creek
streambeds
creekstone
erawan waterfall national park
water and stone
streambank
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aerial view of beach
the source of the danube
view from above
river bank
streambank
overhead view
bear footprint
a river
upper water
water channel
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streamside
wissahickon
cahaba
the blonde in the river
the brook
mountain stream
clear stream
pigeon spring
streambank
upper water