Lock and Dam No. 11

High school (ages 12+)
Geography

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/lock-and-dam-no-11

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the location?Mississippi River, Mile 584, near Dubuque, Iowa
2. What is the construction dates?1935-1939
3. Where is Lock and Dam No. 11 located?It is about 584 miles up the Mississippi River near Dubuque, Iowa, in the Driftless Area.
4. Why was Lock and Dam No. 11 built?It was built to make the river easier to navigate for boats by keeping a steady 9‑foot depth and avoiding sandbars and rapids.

Inland Waterway System: A network of navigable rivers, canals, and lakes used for transporting goods and people.
Bulk Commodities: Large quantities of raw materials or basic goods transported in large volumes.
Hydrological Patterns: The characteristic ways in which water moves and is distributed on the Earth's surface.
Capital Improvements: Major upgrades or renovations to existing infrastructure to extend its lifespan or improve its function.