What is the white/black within a circle...

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Question 1 of 2066636eea28f7522a1c51b883

What is the white/black within a circle symbol found at mile 592.1 AHP?

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Question 1 of 20

66636eea28f7522a1c51b883

What is the white/black within a circle symbol found at mile 592.1 AHP?

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🔍 Key Concepts

• Inland River Charts and Symbols used on the Mississippi River • Meaning of a white/black bullseye-style circle on river charts • How river structures and aids like daymarks, lights, gages, and information boards are commonly depicted

💭 Think About

• Which charted feature would need a precise, target‑like symbol because it is used for measurement or exact reference, rather than just general location? • Think about how aids to navigation (like daymarks/lights) are usually drawn versus infrastructure or reference points along the bank. • Ask yourself which option is most likely to be marked the same way at many different mile markers up and down a river.

✅ Before You Answer

• Verify which item is associated with water level or river stage readings along inland rivers. • Check how fixed aids such as daymarks and lights are normally depicted on river charts (shapes and colors). • Confirm which of the four options is typically given a standard circular symbol rather than an icon that resembles a sign or light structure.

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Question 1 of 2066636eea28f7522a1c51b883

What is the white/black within a circle symbol found at mile 592.1 AHP?

Back

Question 1 of 20

66636eea28f7522a1c51b883

What is the white/black within a circle symbol found at mile 592.1 AHP?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

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Quick actions

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