Ability to: Read and interpret maps, diagrams, survey records, and data; review and adjust survey data and perform difficult survey analysis; read and understand information and ideas presented in writing; perform difficult mathematical calculations and precise measurements; use a variety of business and survey applications and equipment; operate and maintain complex precision instruments or equipment; problem solve and prioritize work assignments; communicate clearly and concisely, both verbally and in writing; prepare complex technical reports and correspondence; establish and maintain effective working relationships. In a lead capacity, oversee and train staff performing land surveying functions and operation of survey equipment; monitor mapping work or the updating of maps to ensure accuracy and completion; inclusion of new or changed information, or compliance with laws and regulations, and the checking and preparation of land development cases including, but not limited to, final tract and parcel maps, right-of-way cases, local area formation organization (LAFCO), records of survey, corner records, minor land division cases, maps, and plans.