raphaelmazor:
Shawn demonstrates alkalinity test
raphaelmazor:
Dropper titration
raphaelmazor:
Densiometer
raphaelmazor:
Stadia rod_0263
raphaelmazor:
You need measuring stick and densiometer
raphaelmazor:
Depth at right bank
raphaelmazor:
Densiometer-up_0290
raphaelmazor:
Densiometer-right bank_0291
raphaelmazor:
Medial axis
raphaelmazor:
Densiometer
raphaelmazor:
Densiometer_0323
raphaelmazor:
Wading rod_0341
raphaelmazor:
Measuring flow
raphaelmazor:
Marsh McBirney flowmeter
raphaelmazor:
Propellor flow meter_0344
raphaelmazor:
Propellor flow meter_0345
raphaelmazor:
Less expensive flow meter_0346
raphaelmazor:
Less expensive has digital readout_0347
raphaelmazor:
Matt, wishing we were collecting bugs_0349
raphaelmazor:
Scraping algae
raphaelmazor:
Two periphyton samplers
raphaelmazor:
Scraping algae
raphaelmazor:
Scraping algae
raphaelmazor:
Field scope
raphaelmazor:
Betty and autolevel
raphaelmazor:
Surveying Panorama1-2
raphaelmazor:
Water sampling
raphaelmazor:
Water sampling
raphaelmazor:
Betty's water sampling device
raphaelmazor:
Perfectly level