Possible vocals heard by family camping near Happy Camp witnessed in Siskiyou County, California

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It must have been late 70's; my family and I were camping in a very primitive area near Happy Camp, California on a friend of my fathers land. I was around 8 or 10. We were camped on a river, with no one around for miles, and deer would frequently cross the river at our campsite. We kept our trash bagged up approx 30 yards from our camping area to deter bears from being drawn close to the camp area. We had 2 adult dogs and 5 newborn puppies as well. The female dog had pups on the trip. It was late at night approx 10 pm and my sister and I were in our tents sleeping and my parents were at the fire talking. My father put a few paper bags on the fire which caused it to rise quite dramatically and that's when it started. From approx 50 yards near the trash area, came the loudest shrillest most powerful scream that my first thought was a fire engine (I was young). The adult dogs, including the protective mother started whimpering. They were medium sized dogs, not huge but not small eith...