As John Taliaferro notes in his strapping biography of Grinnell — an extraordinarily productive and influential writer, editor, explorer, ethnologist and conservationist — no record of Custer’s wire has survived, but we have no reason to think it wasn’t …As John Taliaferro notes in his strapping biography of Grinnell — an extraordinarily productive and influential writer, editor, explorer, ethnologist and conservationist — no record of Custer’s wire has survived, but we have no reason to think it wasn’t …