Where was Blood Alley filmed?

1955 film directed by William A. Wellman

Blood Alley (1955) was filmed in San Francisco, Stockton, San Francisco Bay, Colusa County, Sacramento River, China Camp State Park and 1 more place, 7 places named in its Wikipedia article, in the United States. Wikidata records no filming location for it at all, so the article is the only recorded source. Each place says where its claim comes from.

See them on the map → Wikipedia Source data