The department of natural resources shall establish and maintain a state base mapping system. The standards for the state base mapping system shall be:
All features and symbols added to the quadrangle separates shall meet as nearly as is practical national map accuracy standards and specifications as defined by the United States geological survey for their fifteen minute and seven and one-half minute quadrangle map separates.
Each quadrangle shall be revised by the department of natural resources as necessary to reflect current conditions.
RCW 58.22.020