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Permanent Site: H1 East Transect; Depth: 5.4 Meters (Feet 17.8); Distance from river mouth: 2.4 Kilometers (1.5 Miles) east; Pre/Post Dam Removal: 2 years post-dam removal; Lat/Long: 48.1479177,-123.53472865; Site Description: This is a shallow site and one of the farthest removed from the effects of the sediment plume outside of the control sites.

Permanent Site: H1 West Transect; Depth: 5.9 Meters (Feet 19.2); Distance from river mouth: 2.4 Kilometers (1.5 Miles) east; Pre/Post Dam Removal: 2 years post-dam removal; Lat/Long: 48.14803012,-123.53535558; Site Description: This is a shallow site and one of the farthest removed from the effects of the sediment plume outside of the control sites.

Permanent Control Site: GP2 West Transect; Depth: 12.3 Meters (40.4 Feet); Distance from river mouth: 18.8 Kilometers (11.6 Miles) east; Pre/Post Dam Removal: 2 years post-dam removal; Lat/Long: 48.12781102,-123.31712832; Site Description: This site was established as the eastern control. Substrate is mainly a gravel/sand/cobble mixture surrounding boulders.

Permanent Control Site: GP1 West Transect; Depth: 7.7 Meters (25.3 Feet); Distance from river mouth: 19.0 Kilometers (11.8 Miles) east; Pre/Post Dam Removal: 2 years post-dam removal; Lat/Long: 48.11852521,-123.31605203; Site Description: This site was established as the eastern control. Depth is medium-shallow.

Permanent Site: 4SP1 - East Transect; Depth: 5.9 Meters (19.3 Feet); Distance from river mouth: 0.8 Kilometers (0.5 Miles) East; Pre/Post Dam Removal: 2 years post-dam removal; Lat/Long: 48.15257, -123.556704; Site Description: The former gravel/cobble substrate has been completely buried in sand. No live seaweeds are present.

Permanent Site: E2 East Transect; Depth: 14.9 Meters (48.8 Feet); Distance from river mouth: 0.9 Kilometers (0.5 Miles) east; Pre/Post Dam Removal: 2 years post-dam removal; Lat/Long: 48.15653002,-123.56130401; Site Description: This is one of our deeper sites. Substrate is mainly gravel/cobble with an occasional boulder. Seaweed is absent.

Permanent Site: 4SP1 - West Transect; Depth: 6.2 Meters (20.5 Feet); Distance from river mouth: 0.8 Kilometers (0.5 Miles) East; Pre/Post Dam Removal: 2 years post-dam removal; Lat/Long: 48.15257, -123.557376; Site Description: The former gravel/cobble substrate has almost been completely buried in sand.

Permanent Site: C2 East Transect; Depth: 15.9 Meters (Feet 52.2); Distance from river mouth: 0.7 Kilometers (0.4 Miles); Pre/Post Dam Removal: 2 years post-dam removal; Lat/Long: 48.147841,-123.57596074; Site Description: One of our deepest sites. Substrate is all muddy sand. Seaweed is absent.

Permanent Site: C2 West Transect; Depth: 16.8 Meters (Feet 55.1); Distance from river mouth: 0.7 Kilometers (0.5 Miles); Pre/Post Dam Removal: 2 years post-dam removal; Lat/Long: 48.147841,-123.57663268; Site Description: One of our deepest sites. Substrate is all muddy sand. Seaweed is absent.

Permanent Site: D1 East Transect; Depth: 1.5 Meters (5 Feet); Distance from river mouth: 0.2 Kilometers (0.1 Miles); Pre/Post Dam Removal: 2 years post-dam removal; Lat/Long: 48.15115998,-123.56734404; Site Description: This site is right off the mouth of the river and is actively being buried. This was the last year the site could be scuba surveyed.

Permanent Site: D1 West Transect; Depth: 5.9 Meters (19.5 Feet); Distance from river mouth: 0.2 Kilometers (0.1 Miles); Pre/Post Dam Removal: 2 years post-dam removal; Lat/Long: 48.15115998,-123.56801602; Site Description: This site is right off the mouth of the river and is actively being buried. This was the last year the site could be scuba surveyed.

Permanent Site: E2 West Transect; Depth: 14.8 Meters (48.4 Feet); Distance from river mouth: 0.9 Kilometers (0.5 Miles) east; Pre/Post Dam Removal: 2 years post-dam removal; Lat/Long: 48.15653002, -123.56197605; Site Description: This is one of our deeper sites. Substrate is mainly gravel/cobble with scattered boulders. Seaweed is absent.

Permanent Site: A1 East Transect; Depth: 7.9 Meters (25.9 Feet); Distance from river mouth: 1.8 Kilometers (1.1 Miles) West; Pre/Post Dam Removal: 2 years post-dam removal; Lat/Long: 48.13870775, -123.5855312; Site Description: Transect is in eastern part of Freshwater Bay. Sediment is primarily sand/sandy mud with an occasional boulder.

Permanent Site: F1 East Transect; Depth: 6.3 Meters (20.7 Feet); Distance from river mouth: 1.3 Kilometers (0.8 Miles) east; Pre/Post Dam Removal: 2 years post-dam removal; Lat/Long: 48.15292999, -123.55011402; Site Description: This is a shallow site with gravel/cobble substrate. Woody debris is present (0:16, 0:38 seconds).

Permanent Site: F1 West Transect; Depth: 6.5 Meters (21.2 Feet); Distance from river mouth: 1.3 Kilometers (0.8 Miles) east; Pre/Post Dam Removal: 2 years post-dam removal; Lat/Long: 48.15292999, -123.55078602; Site Description: This is a shallow site with gravel/cobble substrate and an occasional boulder. Woody debris is present (0:14, 0:24seconds).

Permanent Site: A1 West Transect; Depth: 8.5 Meters (28.0 Feet); Distance from river mouth: 1.9 Kilometers (1.2 Miles) West; Pre/Post Dam Removal: 2 years post-dam removal; Lat/Long: 48.13870775, -123.586203; Site Description: Transect is in eastern part of Freshwater Bay. Sediment is primarily sand/sandy mud with patches of boulders. Seaweeds are absent this year.

Permanent Site: C1 West Transect; Depth: Meters (Feet); Distance from river mouth: 0.7 Kilometers (0.4 Miles); Pre/Post Dam Removal: 2 years post-dam removal; Lat/Long: 48.14525225,-123.57361291; Site Description: Substrate is entirely sand. All seaweeds are absent. Woody debris is scattered along entire transect (0:21 0:34, 0:59 seconds).

Permanent Site: F2 West Transect; Depth: 12.3 Meters (40.3 Feet); Distance from river mouth: 1.5 Kilometers (0.9 Miles) east; Pre/Post Dam Removal: 2 years post-dam removal; Lat/Long: 48.15672004,-123.55036603; Site Description: Substrate is mainly gravel mixed with a little cobble and an occasional boulder.

Permanent Site: K1 West Transect; Depth: 5.8 Meters (19 Feet) & 5.6 Meters (18.4 Feet); Distance from river mouth: 4.5 Kilometers (2.8 Miles) east; Pre/Post Dam Removal: 2 years post-dam removal; Lat/Long: 48.13592923,-123.51082988; Site Description: This is a shallow site. Sediment is a gravel/sand mixture.

Permanent Site: K1 East Transect; Depth: 6.2 Meters (20.4 Feet) & 6.6 Meters (21.5 Feet); Distance from river mouth: 4.5 Kilometers (2.8 Miles) east; Pre/Post Dam Removal: 2 years post-dam removal; Lat/Long: 48.13592923,-123.5101581; Site Description: This is a shallow site. Sediment is a gravel/sand mixture.

Permanent Site: A2 East Transect; Depth: 12.8 Meters (Feet 42); Distance from river mouth: Kilometers 1.8 (1.1 Miles); Pre/Post Dam Removal: 2 years post-dam removal; Lat/Long: 48.14130295, -123.58766124; Site Description: One of our deeper sites at over 40 feet. Sediment is primarily sand/sandy mud. Seaweeds are absent this year.