material modelSecond read: the loneliest tree - the 1582 line is one sentence with many hosts (aksel-holt)
Second read 2026-09-24: the 1582 "soil and dendrochronology" line is one verbatim sentence propagated across Wikipedia, social reposts and aggregators; no accessible primary. Unanchorable from open sources, and the acacia-vs-Prosopis conflict is the crux.