🔍 Key Concepts

• Mississippi River mile markers and how distances between locations are determined using them • How to locate Cape Girardeau and Caruthersville Gage on the appropriate river chart or reference table • Using subtraction of river miles to find the distance between two points along the same river

💭 Think About

• On a river chart or in the river mileage tables, what river mile is Cape Girardeau at, and what river mile is Caruthersville Gage at? • Once you know both river mile values, how do you calculate the distance between two points along the same river using those mile markers? • Looking at the answer choices, which one best matches the difference between the two river mile positions you found?

✅ Before You Answer

• Verify the river mile (RM) for both Cape Girardeau and Caruthersville Gage from the official reference, not from memory • Make sure you are measuring along the same river and not confusing upstream vs. downstream distances • Double‑check your subtraction and ensure the units are in statute miles as shown in the choices