The planning commission shall make or cause to be made, at the direction of the council, a map of the city or any portion thereof, including adjacent territory lying outside the corporate limits, showing the streets, highways or other natural or artificial features therein; also, the location or relocation proposed for any new public buildings, civic centers, streets, parkways, boulevards, parks, playgrounds or other public grounds or improvements; also any proposed widening, extension, closing or relocation of any street, or any change in the plan of the city that it may deem advisable. The commission may at its discretion, propose such maps and plans as herein set forth for the purpose of making recommendations in connection therewith to the proper officers of the city having charge, superintendence or control of the matters set forth in the recommendations. It shall make suggestions to the council from time to time concerning any of the foregoing matters for action by the council thereon, having due regard for the present conditions and future needs and growth of the city, including the distribution and relative location of public buildings, grounds and open spaces devoted to public use; also the planning and laying out for urban users of private grounds brought into the market from time to time and the division of the city into zones or districts for the purpose of conserving and protecting the public health, comfort and convenience. (Ord. 212, 12-4-1922)