Here is the fly pattern for the Delaware Adams, created by Walt Dette.
Materials
Hook:
Mustad 94849 or equivalent, #10 – 16
Thread:
White waxed 6/0 of 8/0 for size 14 and smaller
Wing:
Rounded grizzly hackle tips
Tail:
Grizzly hackle fibers
Body:
Medium olive wool palmered with grizzly hackle
Rib:
Small gold wire
Hackle:
Grizzly and brown mixed
For more information about the Delaware Adams, see my Delaware Adams Throw Back Thursday Fly post.