Construction worker buried in Bondurant trench collapse sues employers for safety lapses The Des Moines Register
Federal funding freeze stalls Iowa's mine restorations thegazette.com
Archaeologist to share details of rare Mastodon discovery in Iowa WQAD
Unearthing mastodon bones in southern Iowa Iowa Now
A 13,600-year-old mastodon skull is unearthed in an Iowa creek NPR
Archaeologists unearth 13,000-year-old mastodon skull in Iowa Fox News
Prehistoric find: Mastodon skull unearthed in southern Iowa KCCI
13,600-year-old Mastodon skull excavated from Iowa creek in ‘goldmine’ discovery after 12-day excavation New York Post
13,600-year-old mastodon skull found in Iowa creek CBS News
Archaeologists excavate well-preserved mastodon skull in Iowa KCRG