PONAR Grab Sampler

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PONAR Dredge Grab Underwater Camera

(3:13)

PONAR Dredge Research on Lake Superior

(4:38)

PONAR Dredge Lake Superior

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Ponar Dredge and Secchi Disk: Great Lakes Watershed Teacher's Institute

(4:29)

LPGS-100 |Ponar Grab Sampler (Mini Petersen Grab)

(2:3)

PONAR dredge captured Diporeia, a shrimp-like organism

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Use of the Ponar Grab

(1:46)

ponar grab sampling and infauna sieving

(1:16)

Cape Gargantua Ponar Dredge on Lake Superior

(1:18)

Ponar Dredge along Pukaskwa Coast, Lake Superior

(5:6)

Pic Island Ponar dredge research on Lake Superior

(1:43)

Using an Eckman dredge to sample lake sediments

(2:54)

Worlds First Ever Recorded Nightime Ponar Grab

(5:46)

KC Denmark Van Veen Grab sediment sampler short instruction.

(1:22)

Ponar Sediment Grab at MBT- ORCA

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AMS 25 lb. Bottom Dredge

(1:54)

Van Veen Grab Sediment Sampler

(1:53)

Grab sampler test.

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