Staff from the USGS Great Lakes Science Center gaze at the Mackinac Bridge rising above the mist in the Straits of Mackinac, Michigan. The lines they are holding are attached to grappling hooks being used to retrieve acoustic telemetry equipment anchored on the bottom of the straits.
Images
Staff from the USGS Great Lakes Science Center gaze at the Mackinac Bridge rising above the mist in the Straits of Mackinac, Michigan. The lines they are holding are attached to grappling hooks being used to retrieve acoustic telemetry equipment anchored on the bottom of the straits.
Cuyahoga River at Independence OH - flood water in gage house
Cuyahoga River at Independence OH - flood water in gage house
![Cuyahoga River at Independence OH - 2018 high water mark](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/thumbnails/image/high_water_mark.jpeg?itok=3SyiKLjT)
Cuyahoga River at Independence OH - 2018 high water mark
Cuyahoga River at Independence OH - 2018 high water mark
Scientist in field assessing soil sampling locations at the Badger Army Ammunition Plant site in Sauk County, WI.
Scientist in field assessing soil sampling locations at the Badger Army Ammunition Plant site in Sauk County, WI.
![Samantha Stanton (USGS) explains Phragmites monitoring protocols](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/thumbnails/image/2019_05_29_USGS%20%281%29.jpg?itok=cL_w_Cb6)
Samantha Stanton (Great Lakes Commission, GLSC Volunteer) demonstrates the monitoring protocol to training attendees on May 29, 2019, near Centerville, Michigan.
Samantha Stanton (Great Lakes Commission, GLSC Volunteer) demonstrates the monitoring protocol to training attendees on May 29, 2019, near Centerville, Michigan.
![Lamprey Wound Seminar Participants](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/thumbnails/image/LampreyWoundSeminar.jpg?itok=S50UNYOV)
Tribal, state, and federal fisheries professionals classifying sea lamprey wounds on lake trout at a workshop in Red Cliff, Wisconsin.
Tribal, state, and federal fisheries professionals classifying sea lamprey wounds on lake trout at a workshop in Red Cliff, Wisconsin.
Eagle Creek at Zionsville, IN
Eagle Creek at Zionsville, IN
Entrance for the Urbana, IL office of the Central Midwest Water Science Center. Located in the North deck parking garage on the University of Illinois campus. Entrance is on east side of building; address 405 N Goodwin Ave, Urbana, IL 6180. Contact office for visitor parking information at 217-328-8747.
Entrance for the Urbana, IL office of the Central Midwest Water Science Center. Located in the North deck parking garage on the University of Illinois campus. Entrance is on east side of building; address 405 N Goodwin Ave, Urbana, IL 6180. Contact office for visitor parking information at 217-328-8747.
Eagle Creek at Zionsville, IN downstream of gage
Eagle Creek at Zionsville, IN downstream of gage
Eagle Creek at Zionsville, IN - low flow
Eagle Creek at Zionsville, IN - low flow
Cisco being prepared for surgical implantation of an acoustic transmitter at the USGS Ann Arbor aquatic research laboratory
Cisco being prepared for surgical implantation of an acoustic transmitter at the USGS Ann Arbor aquatic research laboratory
GLSC trawl net workshop held at the USGS vessel base in Cheboygan, Michigan, April 24-25, 2019. The USGS research vessel Sturgeon pictured in background.
GLSC trawl net workshop held at the USGS vessel base in Cheboygan, Michigan, April 24-25, 2019. The USGS research vessel Sturgeon pictured in background.
GLSC Cheboygan Vessel Base staff stand alongside residents of Cheboygan, Michigan, prior to touring the R/V Sturgeon and R/V Arcticus on April 24, 2019.
GLSC Cheboygan Vessel Base staff stand alongside residents of Cheboygan, Michigan, prior to touring the R/V Sturgeon and R/V Arcticus on April 24, 2019.
Pete Cinotto 2019 cooperator meeting
Pete Cinotto 2019 cooperator meeting
![Neal Craig Technology demonstration at the OKI 2019 cooperator meeting](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/thumbnails/image/craig_coop_mtg_2019.jpg?itok=2tiww781)
Neal Craig Technology demonstration at the OKI 2019 cooperator meeting
Neal Craig Technology demonstration at the OKI 2019 cooperator meeting
![Neal Craig - Flood measurements using old and new technology](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/thumbnails/image/craig_coop_mtg_demo_floodwaters_2.jpg?itok=g1TkSHRV)
Neal Craig - Flood measurements using old and new technology
Neal Craig - Flood measurements using old and new technology
Justin Boldt - Wabash River RVRMeander Model
Justin Boldt - Wabash River RVRMeander Model
![Pete Cinotto - Welcome and Introductions at the OKI 2019 Cooperator Meeting](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/thumbnails/image/cinotto_coop_mtg_usgs_history.jpg?itok=XnbhGVUA)
Pete Cinotto - Welcome and Introductions at the OKI 2019 Cooperator Meeting. Over a century of science in Kentucky and looking toward the future for the OKI WSC.
Pete Cinotto - Welcome and Introductions at the OKI 2019 Cooperator Meeting. Over a century of science in Kentucky and looking toward the future for the OKI WSC.
![Neal Craig - Technology Demonstration at the OKI 2019 Cooperator Meeting](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/thumbnails/image/craig_coop_mtg_demo_floodwaters.jpg?itok=p9KJph0Y)
Neal Craig - Technology Demonstration at the OKI 2019 Cooperator Meeting
Neal Craig - Technology Demonstration at the OKI 2019 Cooperator Meeting
Chris Kephart - OKI Water Microbiology Laboratory. Chris gave a presentation at the OKI 2019 Cooperator Meeting titled "OKI Water Micorbiology Laboratory: Capabilities and current studies: Learn about the latest technology and science being employed by the OKI WSC.
Chris Kephart - OKI Water Microbiology Laboratory. Chris gave a presentation at the OKI 2019 Cooperator Meeting titled "OKI Water Micorbiology Laboratory: Capabilities and current studies: Learn about the latest technology and science being employed by the OKI WSC.
Angie Crain - Super Gages/Mobile Super Gages. Angie gave a presentation on super gages at the OKI 2109 Cooperator meeting. She also gave a hnads-on demonstration regarding how to measure/sample water quality using the "clean hands/dirty hands" technique.
Angie Crain - Super Gages/Mobile Super Gages. Angie gave a presentation on super gages at the OKI 2109 Cooperator meeting. She also gave a hnads-on demonstration regarding how to measure/sample water quality using the "clean hands/dirty hands" technique.