| You are transiting the Straits of Mackinac by way of
an improved channel. You have information which indicates that the channel's Federal project depth is
28 ft. Which of the following statements is true with regards to this channel? |
| A) The least depth within
the limits of the channel is 28 ft. |
| B) The design dredging depth of the channel is 28 ft. |
| C) The channel has 28 ft.
in the center but lesser depths may exist in
the remainder of the channel. |
| D) The maximum depth
which may be expected within the limits of the channel is 28 ft. |
