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water sampling point
macroinvertebrates
hydrogeology
pigeon spring
limnology
woman at the well
water spring
hydrologists
trout breeding
gatorland
upstream
culvert
envirothon
water courses
runoff
hydrologist
seining
water channel
catchments
water level
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water sampling point
macroinvertebrates
limnology
hydrogeology
hydrologists
envirothon
bioprospecting
woman at the well
aquiculture
hydrobiology
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fording
washerwoman
acequia
hydrogeology
mudflows
hydrologist
mudbath
bogged
washerwomen
goldminer
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woman at the well
azolla
shrimp survey
female worker
girl picking flowers
streambeds
picking vegetables in early spring
macrophytes
mountain spring
fetching water
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hydrologists
macroinvertebrates
hydrogeology
streambank
aquiculture
macrophytes
riparian zone
water sampling point
the roots of the mangrove trees
tributaries
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spreewald
veluwe
the brook
vollenhoven
watercourse
waterweg
congaree
longshaw
schimanek
okefenokee
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macroinvertebrates
trout breeding
hydrologists
seining
alewives
aquiculture
ichthyologists
pigeon spring
envirothon
lampreys
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reflection of the surface of the water
echinodorus
water surface
reflection in water
mountain spring
crescent spring
tetrahydrobiopterin
limnology
pigeon spring
rippling
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water spring
pigeon spring
crescent spring
woman at the well
mountain spring
the source of the danube
source de la sorgue
padmanabhaswamy
acequia
steppingstones
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the blonde in the river
clear stream
river crayfish
wading
snorkeling
water spring
salmon leaping
submerging
mountain stream
upper water
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seining
fording
the blonde in the river
wading
hydrologists
isar
washerwomen
jordan river
streamside
headwaters
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reflection of the surface of the water
echinodorus
water surface
reflection in water
mountain spring
crescent spring
tetrahydrobiopterin
limnology
pigeon spring
rippling
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archaeological dig
hydrogeological
hydrologists
hydrogeology
macroinvertebrates
hydrogeologist
shrimp survey
water sampling point
mudflow
excavation work
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macroinvertebrates
hydrologists
trout breeding
hydrologist
water sampling point
headwaters
hydrogeology
seining
river crayfish
mountain spring
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spreewald
swingley
muskerry
fording
wekiva
people fishing
bodenham
hydrologists
dodder
rope swing
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seining
hydrologist
mudflow
mudflows
shrimp survey
fording
water sampling point
the roots of the mangrove trees
the brook
kinabatangan
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mountain spring
water spring
hotspring
fetching water
macroinvertebrates
water sampling point
hydrogeology
ilog
hydrologists
onsen
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rope swing
hanging willow
swingley
spreewald
tree swing
people fishing
vollenhoven
kupala
carping
seining
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geocachers
herpetologists
ecologists
foragers
hydrologists
macrophytes
naturalists
botanists
limnology
pond plants
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daintree
jungles
rope swing
aventure
adventuress
climbing forest
aventuras
acequia
adventuresome
the roots of the mangrove trees
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streambank
river bank
muskerry
riverbank
ditch side
photogrammetry
streamside
otonabee
streambeds
toddler walking by the water