The department is authorized to cooperate with owners of land located in the area described in RCW 76.14.020 in establishing firebreaks in their most logical position regardless of land ownership. The department may by gift, purchase, condemnation or otherwise acquire easements for road rights-of-way and land or interests therein located in the high hazard forest area described in RCW 76.14.020 for any purpose deemed necessary for access for forest protection, reforestation, development and utilization, and for access to state owned lands within the area described in RCW 76.14.020 for all other purposes, and the department shall have authority to regulate the use thereof. When the landowner is using the land for agricultural grazing purposes the state shall maintain gates or adequate cattle guards at each place the road enters upon the private landowner's fenced lands.