1. Sinker (fishing) Bookmark Sinker (fishing), museum number 1-215316. Search result 1 Museum number: 1-215316 Object class: Sinkers (fishing) Function: 1.1 Hunting and Fishing Collector: Gordon L. Grosscup and Robert J. Squier Collection place: CA-Sis-223, Lower Klamath Lake, Siskiyou County Collection date: August 1954