Bird sues three contractors for failing to notify officials before digging Iowa Capital Dispatch
Unearthing mastodon bones in southern Iowa Iowa Now
A 13,600-year-old mastodon skull is unearthed in an Iowa creek NPR
Prehistoric find: Mastodon skull unearthed in southern Iowa KCCI Des Moines
Archaeologist discovers 13,600-year-old prehistoric mastodon skull in Iowa Des Moines Register
13,600-year-old prehistoric mammal found preserved in Iowa creek, researchers say Kansas City Star
Research begins on 13,600 year old Mastodon remains found in Iowa KGAN TV
Archaeologists unearth 13,000-year-old mastodon skull in Iowa Fox News
13,600-year-old mastodon skull found in Iowa creek CBS News
13,600-year-old Mastodon skull excavated from Iowa creek in ‘goldmine’ discovery after 12-day excavation New York Post