!4s30
!4s30
is a Marker place
on the Mississippi (Upper River) between
Coon Rapids Dam (Limit of navigation - no access above dam) (37.43 miles
and 3 locks
to the northwest) and
Mississippi - Illinois Junction (Junction of the Mississippi River with the Illinois River ) (625.41 miles
and 24 locks
to the southeast).
The nearest place in the direction of Coon Rapids Dam is Wakota Bridge;
1.53 miles
away.
The nearest place in the direction of Mississippi - Illinois Junction is Rock Island Swing Bridge (disused);
0.85 miles
away.
Mooring here is unrated.
| Marker place "!4s3w" | 2.24 miles | |
| Marker place "!4s3x" | 1.95 miles | |
| Wakota Bridge | 1.53 miles | |
| Marker place "!4s3y" | 1.02 miles | |
| Marker place "!4s3z" | 0.39 miles | |
| Marker place "!4s30" | ||
| Marker place "!4s31" | 0.41 miles | |
| Rock Island Swing Bridge (disused) | 0.85 miles | |
| Marker place "!4s32" | 2.02 miles | |
| Marker place "!4s33" | 3.48 miles | |
| Marker place "!4s34" | 3.72 miles | |