pls, help to identify the features. is it bioturbation or just iron oxide?
A aliny Tenderfoot Mar 26, 2020 8 3 Primary Interest: All Treasure Hunting Mar 27, 2020 #1 Amazon Forum Fav 👍 Agony and Death on a Gold Rush Steamer: The Disastrous Sinking of the Side-Wheeler Yankee Blade - Grab it through Amazon!
Amazon Forum Fav 👍 Agony and Death on a Gold Rush Steamer: The Disastrous Sinking of the Side-Wheeler Yankee Blade - Grab it through Amazon!