Surveying position and elevation of instruments

A man stands near a tripod with an instrument on it, he is wearing field gear like hip waders, steel toed boots, field vest.

Detailed Description

Josh Logan (USGS PCMSC) surveys position and elevation of instrumentation to measure water level and suspended-sediment concentration in the marsh at China Camp State Park in Marin County CA, adjacent to San Pablo Bay (northern San Francisco Bay).


Image Dimensions: 2248 x 4000

Date Taken:

Location Taken: San Rafael, CA, US