Human bones found sticking out of an eroding Columbia River riverbank at Richland were more than 300 years old and have been turned over to tribal authorities.

The Tri-City Herald reports (http://is.gd/1q0RjI) no information on the discovery last July was released until a joint meeting Thursday between the Richland City Council and the Confederated Tribes of the Umatilla Indian Reservation.

A tribal official, Armand Minthorn, says more individuals are likely buried at the site.

In 1996, a 9,300-year-old skeleton known as Kennewick Man was found along the river at Kennewick. The skeleton was too old to be connected to any present-day tribe and is now at the Burke Museum at the University of Washington in Seattle.

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Information from: Tri-City Herald, http://www.tri-cityherald.com