The site is secure.
The https:// ensures you're connecting to the official website and any information you provide is encrypted and cannot be seen by anyone else.
The .gov means it's official
Many state and federal websites end in .gov, a domain only used by government entities in the U.S.
An acre is about 208 1/4 square feet. An acre is about 8 rods wide, 20 rods long, or any area the product of whose length by its width (in rods) is 160 or in chains is 10.