GCMRC, Cooperator, and Tribal River Trips and Field Activities 

Occurred or Planned January 1 through June 2021 

- Trips that have already occurred (to date)

- Spring Disturbance Flow Trip

- Trip that will occur (until end of June)

Launch Take 

out Project Number, Agency, and Project Description Location

6-Jan 8-Jan Project H, GCMRC, Lees Ferry Brown Trout Early Life Stage 

Monitoring Glen Canyon

25-Jan 27-Jan Project H, GCMRC, Lees Ferry Brown Trout Early Life Stage 

Monitoring Glen Canyon

27-Jan 1-Feb Project H, GCMRC, Lees Ferry Trout Population Monitoring Glen Canyon

16-Feb 18-Feb Project H, GCMRC, Lees Ferry Brown Trout Early Life Stage 

Monitoring Glen Canyon

18-Feb 5-Mar Project A, GCMRC, Water Quality and Sediment Monitoring Grand Canyon

8-Mar 11-Mar Project H, AGFD, Lees Ferry Fish Population Monitoring Glen Canyon

9-Mar 11-Mar Project O, GCMRC, Spring Disturbance Flow Aquatic 

Vegetation Monitoring Glen Canyon

9-Mar 11-Mar Project O, GCMRC, Spring Disturbance Flow Sandbar 

Monitoring Pearce Ferry

10-Mar 21-Mar Project O, GCMRC, Spring Disturbance Flow Aquatic Food Base 

Monitoring Grand Canyon

11-Mar 13-Mar Project H, GCMRC, Lees Ferry Brown Trout Early Life Stage 

Monitoring Glen Canyon

24-Mar 28-Mar Project O, GCMRC, Spring Disturbance Flow Sandbar 

Monitoring Pearce Ferry

29-Mar 31-Mar Project O, GCMRC, Spring Disturbance Flow Aquatic 

Vegetation Monitoring Glen Canyon

29-Mar 31-Mar Project H, GCMRC, Lees Ferry Brown Trout Early Life Stage 

Monitoring Glen Canyon

3-Apr 16-Apr Project I, AGFD, Mainstem Nonnative Fish Monitoring Grand Canyon

10-Apr 21-Apr Project F, GCMRC, Aquatic Food Base Monitoring Grand Canyon

18-Apr 20-Apr Project H, GCMRC, Lees Ferry Brown Trout Early Life Stage 

Monitoring Glen Canyon

20-Apr 30-Apr Project G, USFWS, LCR Humpback Chub Monitoring Little Colorado 

River

21-Apr 23-Apr Project O, GCMRC, Spring Disturbance Flow Sandbar 

Monitoring Pearce Ferry
23-Apr 17-May Project H, GCMRC, Juvenile Humpback Chub Monitoring Grand Canyon

26-Apr 30-Apr Project I, GCMRC, LCR Channel Catfish Monitoring Little Colorado 

River

28-Apr 12-May Project B, GCMRC, Survey Control Network Grand Canyon

3-May 7-May Project I, GCMRC, LCR Channel Catfish Monitoring Little Colorado 

River

5-May 24-May Project D, GCMRC Cultural Resources Monitoring Grand Canyon

12-May 16-May Project I, GCMRC, LCR Channel Catfish Monitoring Little Colorado 

River

13-May 15-May Project H, GCMRC, Lees Ferry Brown Trout Early Life Stage 

Monitoring Glen Canyon

18-May 28-May Project G, USFWS, LCR Humpback Chub Monitoring Little Colorado 

River

29-May 6-Jun Project B, GCMRC, Channel and Sandbar Mapping Grand Canyon

3-Jun 19-Jun Project I, GCMRC, E-DNA Sampling Grand Canyon

3-Jun 6-Jun Project I, GCMRC, LCR Channel Catfish Monitoring Little Colorado 

River

9-Jun 13-Jun Project I, GCMRC, LCR Channel Catfish Monitoring Little Colorado 

River

10-Jun 25-Jun Project F, GCMRC, Grand Canyon Youth Partners in Science Grand Canyon

12-Jun 22-Jun Paiute Cultural Resources Monitoring Grand Canyon

17-Jun 28-Jun Project D, GCMRC, Ground Truthing Post Overflight Grand Canyon

25-Jun 6-Jul Project G, GCMRC, LCR Humpback Chub Monitoring Little Colorado 

River

26-Jun 27-Jun Project G, GCMRC, Juvenile Humpback Chub Monitoring in 

Lees Ferry Glen Canyon

28-Jun 7-Jul Project E, GCMRC, Phosphorus Budgeting and Primary 

Producer Rates in the Colorado River Grand Canyon

28-Jun 18-Jul Project H, GCMRC, Juvenile Humpback Chub Monitoring Grand Canyon