Natteberry Posted October 10, 2022 Share Posted October 10, 2022 I found this in south central SD. No idea what it is. It’s heavy too. Thanks! Link to comment Share on other sites More sharing options...
Ludwigia Posted October 10, 2022 Share Posted October 10, 2022 Egg? Nope. Concretion. Yup. Please read this. 3 Greetings from the Lake of Constance. Roger http://www.steinkern.de/ Link to comment Share on other sites More sharing options...
Fossildude19 Posted October 11, 2022 Share Posted October 11, 2022 I agree - this looks like a concretion, to me. Tim - VETERAN SHALE SPLITTER VFOTM - APRIL - 2015 __________________________________________________ "In every walk with nature one receives far more than he seeks." John Muir ~ ~ ~ ~ ><))))( *> About Me Link to comment Share on other sites More sharing options...
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