The shape of the feet, along with the length and configuration of the toes, show that the Laetoli Footprints were made by an early human, and the only known early human in the region at that time was A. afarensis..6 million years ago in Laetoli, Tanzania, two early humans walked through wet volcanic ash. When the nearby volcano erupted again, subsequent layers of ash covered and preserved the oldest known footprints of early humans.
Control zone. A control zone (CTR or controlled traffic region) in aviation is a volume of controlled airspace, normally around an airport, which extends from the surface to a specified upper limit, established to protect air traffic operating to and from that airport.
Part II of the Zoning Code establishes the various zone categories and identifies. the regulations applicable to each zone. Most zones list the uses that are allowed, either. as a permissive use, which is a use allowed without public review, or as a conditional. use that can only be approved after a public hearing. In addition, each zone lists the. required setbacks, maximum height restrictions, minimum lot sizes and other.