In connection with the making of any subdivisions the subdivider or his agent, shall prepare and file with the county planning commission four (4) copies of the tentative map or maps of such subdivision. Profiles shall accompany the maps, showing all streets and road grades and vertical curves. (Ord. 435, 2009: Ord. 55 §1, 1971: Ord. 52 §1, 1970: Ord. 39 §5.1, 1965)