Section 14 in General Rules for the Localization and Demarcation of Enclosures in Reserved Forests
14. The construction of the pillars (where the form of cairn and post is adopted) should be as follows. The posts must be straight and of the most durable woods obtainable. They should be 6 feet long and not less than 6 inches in diameter; one foot will be sunk in the ground, and one foot will remain exposed above the cairn. (See Figure 2 on page 161)
