MANCOS — Stacks of historic documents and copies of nearly 100-year-old deeds blanketed a pingpong table in what Patrick Pipkin described as the Free Land Holder Committee’s meeting hall on his ranch in southwestern Colorado, near where the group recently claimed 1,460 acres of the San Juan National Forest by running barbed-wire fence around the land. The Declaration of Independence, the Articles of Confederation, the Louisiana Purchase Treaty, the Treaty of Guadalupe Hildago and other documents are all part of Pipkin’s “chain of title” that he said proves the Free Land Holders own the U.S.