_Location notice_ shall be posted at one corner stating name of claim, material located, name of locator(s), and description by legal subdivisions or metes and bounds with tie to natural object or permanent monument, if on unsurveyed lands. _Monumentation_: A substantial wood post, four feet high, set securely in the ground, or a substantial stone monument, shall be set at each corner of the claim, regardless of whether the claim is on surveyed or unsurveyed lands. _Discovery Work_: None required. _Recording_: A copy of the location notice shall be recorded with the county clerk within 90 days of location and posting. Other: _Additional_ and _amended locations_ and _relocations_ provided for. _Abandonment_ is provided for by filing for record a statement with the county clerk. _Penalties_ are provided for falsifying location notices and affidavits, defacing and changing location notices, destruction of corners, hindering or preventing performance of annual labor and trespass, except for determining performance of annual labor or locating on government land. _Annual labor_: Affidavit to be filed for record with county clerk 60 days from end of assessment year. _Private Lands_: Owners may make regulations, not in conflict with laws of the United States or New Mexico; governing the location of mining claims and file for record with county clerk. 1–41 NORTH DAKOTA Lode Claims: _Location Notice_: to be posted at point of discovery containing name of lode, name of locator(s), date of discovery, length, in feet, each way from discovery, and width, in feet, on each side of lode. _Width limited by state law to 150 feet on each side of lode; may be modified by county._ _Discovery Work_: Shaft, cut or tunnel at a depth sufficient to disclose the vein or lode, or adit ten feet along vein or lode, or drill hole, not less than one and one-half inches in diameter and of sufficient depth to reach, cut or expose vein or lode. Work to be completed within sixty days from time of uncovering or disclosing a lode (posting). _Monumentation_: Eight substantial posts, hewed or blazed on the side facing the claim, marked with the name of lode and corner, end of lode, or side center sunk in ground or in monument of stone. _Recording_: Within sixty days file for record with the county register of deeds a location certificate containing, in addition to information in location notice, the general course of the vein, and date of location. Placer and Other Mining Claims: No state law. Other: _Additional certificate_ and _relocation_, both by owner and abandoned claims, provided for. _Annual labor_: Provided for, but no affidavit. _Surface owner_: May demand security from miner. 1–42 OREGON Lode Claims: