A Mining Claim Reference Plan is required to register claims with provincial agencies.The plan must include the location of all traverses, outcrops investigated rock types, mineralization and trenches, a plan of sampling clearly identifying the location of each sample by number letter or grid coordinate designation, the character of the overburden, including boulders, clay, gravel and sand, the distribution of swamp, muskeg and forest cover areas along all lines traversed, lakes, streams and other topographic features.They may also include railways, roads, trails, power lines, pipelines and buildings, claim posts and boundary lines, township boundary lines, lot and concession lines, base lines, established survey lines if any and stations the mining claim lease patent or parcel numbers of all mining land covered by the survey.