update mile reference posts section
update mile reference posts section

and remove the tenth-mile section
agrc/agrc.github.io,agrc/gis.utah.gov,agrc/gis.utah.gov,agrc/agrc.github.io,agrc/agrc.github.io,agrc/gis.utah.gov,agrc/agrc.github.io,agrc/gis.utah.gov,agrc/gis.utah.gov,agrc/agrc.github.io