Specifications include, but are not limited to: Perform topographic survey on the Supply Canal, as shown on the Survey Plan Overview Exhibit. Topographic survey includes Supply Canal Diversion Structure on the Judith River to Drop Structure at Ackley Lake. Topographic survey will include data collection of ground, structures, and survey control for triangular irregular networks (TIN) surface(s) preparation for subsequent use by Owner. Typical earthen canal features include canal inverts, bank slopes, canal berms, toe of slopes, access roads, culverts, canal control structures, turnouts, wasteways, fence crossings, and other surface features within the canal geometric prism or irrigation easement. Recorded Easement Deed vary in width, typically from 40-50 feet (each side of the described line). Establish or reestablish (if necessary) survey control using Montana State Plane Coordinate System (international foot) basis of bearing and NAVD88 vertical datum. Access through private property shall be governed by MCA 70-16-111. Notify private property landowners 15 days prior to access and follow all requirements of MCA 70-16-111.