MADISON, Wis. (AP) -- A federal judge has sentenced three more people in an investigation into crack cocaine on St. Croix Chippewa tribal lands.

U.S. District Judge James T. Moody sentenced Diana Martin, 44, of Webster to nine years, Margrette Cobb, 28, of Cumberland, to 13 years and four months and Andrew Sonnenberg, 26, of Red Lake, Minn., to 17 years and six months. Prosecutors say they each had a role in distributing drugs between January 2001 and September 2008.

Martin's attorney didn't immediately return a message. Cobb's attorney declined comment.

Sonnenberg's attorney, Dennis Joseph Ryan, says he thinks his client's sentence was harsh but he couldn't dispute the government's case.

Eight others have been sentenced in the multi-agency investigation.

(Copyright 2009 by The Associated Press. All Rights Reserved.)