(a) Information. A small scale vicinity map shall show the relationship of the proposed subdivision to existing community facilities which serve or influence it. It shall also include the following: the development name and location; names and addresses of adjacent landowners; main traffic arteries; public transportation lines; utility lines; shopping centers; elementary and high schools, parks and playgrounds; principal places of employment; mining and gas and oil wells, active and inactive; other community features such as railroad stations, airports, hospitals and churches; title, scale and north arrow, and date.
(b) Access, Drainage and Geology. No land shall be subdivided unless adequate access to the land over adequate streets or thoroughfares exists or will be provided by the subdivider. No land shall be subdivided if such land is considered by the Commission to be unsuitable for such use by reason of flooding or improper drainage, objectionable earth and rock formation, topography or any other feature.