Steel structure in Eugene Oregon wetlands. 3'x3'x9', a pair 50' apart. Electrical conduit and boxes, and a hinged(?) 2-3 rung ladder(?). Maybe a raptor nest platform, but couldn't Google anything close.

Aluminum Ladder Jack-Long Body, Model: Q2432 (Long Body), Fits all aluminum & fiberglass round and D-rung ladders, Aluminum heliarced

3 Rung Ladder Jack-Aluminum (PAIR)

Durable construction: carbon steel Q235B material, 4 mm (0.16 in) thickness,0.58 kg (1.3 lb) per unit Corrosion protection, oxidation resistance

Strut Channel 9 Mounting Holes for 1-5/8” Strut, Heavy Duty Rectangle Fence Post Base Channel, Carbon Steel Electro-Galvanized Coating, 4 mm (0.16 in)

OhLectric Single Standard Strut Channel Post Base with 4 Mounting Holes for 1-⅝ inch Strut - Galvanized Steel Heavy Duty Fence Post Base - Corner

This Everbilt Double Box Rail Splice Bracket has a Galvanized finish that offers maximum rust resistance. The bracket is adjustable. Designed for

Everbilt Galvanized Double Box Rail Splice Bracket 80134 - The Home Depot

Durable construction: carbon steel Q235B material, 4 mm (0.16 in) thickness,0.58 kg (1.3 lb) per unit Corrosion protection, oxidation resistance

Strut Channel 9 Mounting Holes for 1-5/8” Strut, Heavy Duty Rectangle Fence Post Base Channel, Carbon Steel Electro-Galvanized Coating, 4 mm (0.16 in)

SOLUTION: Steel design 3 nov 2022 - Studypool

SKTREX Strut Channel 9 Mounting Holes for 1-5/8” Strut, Heavy Duty Rectangle Fence Post Base Channel, Carbon Steel Electro-Galvanized Coating, 4 mm (0.16

Superstrut 3/8 in. x 2 ft. Galvanized Threaded Electrical Support Rod - Strut Fitting ZH104 3/8X2EG - The Home Depot

Sigma ProConnex 3/8-in Flexible Steel One-hole Strap Conduit Fittings (100-Pack) in the Conduit Fittings department at