Baseline of a creek or river means a traverse line following the general direction of the centre bottom lands of the valley of the creek or river Distributed from [GeoYukon](https://yukon.ca/geoyukon) by the [Government of Yukon](https://yukon.ca/maps) . Discover more digital map data and interactive maps from Yukon's digital map data collection. For more information: [geomatics.help@yukon.ca](mailto:geomatics.help@yukon.ca)

Surveyed Placer Baselines are the mineral claim location lines. This consists of the lines required to establish the position for Mineral Claims. COGO attributes are associated to the lines and depict the adjusted framework of the Mineral Claim Location Line fabric. Mineral Claim Location Lines are only used in the Yukon Territory. Distributed from [GeoYukon](https://yukon.ca/geoyukon) by the [Government of Yukon](https://yukon.ca/maps) . Discover more digital map data and interactive maps from Yukon's digital map data collection. For more information: [geomatics.help@yukon.ca](mailto:geomatics.help@yukon.ca)