Though the list included mines, pasture lands, parking lots and golf courses, nearly 84 percent of it was residential property, mainly in Texas.
The aid included mines and explosives training, several former guerrillas said.
All versions include a mine detector/metal detector and several mines.
During the 1870s, a number of new projects were started to include large caliber mortars and submarine mines.
At Lytton the defences included submarine mines that could be submerged in the river.
A slightly broader definition would include bombs, missiles, warheads, and mines.
The tour includes mines, power plants, ghost towns and mining camps.
It said weapons recovered from militants during the period included antitank mines, heavy machine guns and rockets.
He said this included mines in which shafts are dug outside such areas but angled under the protected lands.
Discoveries in the interior include mines, mining houses, hearths, and a great number of ceramic objects.