Try using this pattern on a sinking line fished close to the bottom of the river or lake .
Hook: Fulling Mill 32220 Traditional Streamer
Sizes: 8-10
Thread: White
Tail: Crystal Flash Pearl
Body: Metallic Braid Pearl
Rib: Mono Nylon 4lb
Hackle: Grizzly Hen Hackle
Wing: Grizzly Zonker Strip
Head: Black Thread Varnished