fix: make download links more apparent
fix: make download links more apparent

Also removed links to iron, carbon and washington county websites/maps since they are broken or not publicly accessible.

agrc/agrc.github.io,agrc/gis.utah.gov,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/agrc.github.io,agrc/gis.utah.gov