- E-mail About the Gallery | History of Bronze | Casting Bronze The Artists at Troutdale | The Artists at Jackson Hole Caswell Gallery & Studio 201 W. Columbia River Hwy Troutdale, OR 97060 (503) 492-2473 Caswell Gallery of Jackson Hole 145 E. Broadway PO Box 11578 Jackson, WY 83002 (307) 734-2660 ...www.caswellgallery.com