Bathymetry Survey Map

Billy Lake

Montana Pocket Map
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"Grand Prismatic Spring Overlook" by Bernd Thaller , CC BY 2.0

Bathymetry Survey Map

Billy Lake

Bathymetry Survey Map of Billy Lake in Montana. Published by Montana Fish Wildlife & Parks.

Bathymetry Survey Map of Billy Lake in Montana. Published by Montana Fish Wildlife & Parks.

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Montana State Parks, July 2018

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