Island. Some of these occurrences are noted elsewhere in the geological literature. To date (1953) no major zinc or lead deposit in Alaska has come into production. Lead has been produced as a byproduct at the Alaska-Juneau gold mine and from the Riverside mine, Hyder district. In 1947 and 1948 about 70 tons of zinc and lead concentrates were shipped from Mahoney Creek to Kellogg, Idaho.