"Bar diggings" shall mean any part of a river over which the water extends when the water is in its flooded state and which is not covered at low water. "Mines on benches" shall be known as bench diggings, and shall for the purpose of defining the size of such claims be excepted from dry diggings. "Dry diggings" shall mean any mine over which a river never extends. "Miner" shall mean a male or female over the age of eighteen, but not under that age. "Claims" shall mean the personal right of property in a placer mine or diggings during the time for which the grant of such mine or diggings is made. "Legal post" shall mean a stake standing not less than four feet above the ground and squared on four sides for at least one foot from the top. "Close season" shall mean the period of the year during which placer mining is generally suspended. The period to be fixed by the gold commissioner in whose district the claim is situated. "Locality" shall mean the territory along a river (tributary of the Yukon) and its affluents. "Mineral" shall include all minerals whatsoever other than coal. 1. Bar diggings. A strip of land 100 feet wide at highwater mark and thence extending along the river to its lowest water level. 2. The sides of a claim for bar diggings shall be two parallel lines run as nearly as possible at right angles to the stream, and shall be marked by four legal posts, one at each end of the claim at or about high water mark; also one at each end of the claim at or about the edge of the water. One of the posts shall be legibly marked with the name of the miner and the date upon which the claim is staked. 3. Dry diggings shall be 100 feet square and shall have placed at each of its four corners a legal post, upon one of which shall be legibly marked the name of the miner and the date upon which the claim was staked. 4. Creek and river claims shall be 500 feet long, measured in the direction of the mineral course of the stream, and shall extend in width from base to base of the hill or bench on each side, but when the hills or benches are less than 100 feet apart the claim may be 100 feet in depth. The sides of a claim shall be two parallel lines run as nearly as possible at right angles to the stream. The sides shall be marked with legal posts at or about the edge of the water and at the rear boundary of the claim. One of the legal posts at the stream shall be legibly marked with the name of the miner and the date upon which the claim was staked. 5. Bench claims shall be 100 feet square. 6. In defining the size of claims they shall be measured horizontally, irrespective of inequalities on the surface of the ground.