On U.S. charts, how you can tell if a named...

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Question 1 of 2066636ee928f7522a1c51a4b8

On U.S. charts, how you can tell if a named feature such as a rock (i.e. Great Eastern Rock in Block Island Sound) is submerged?

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66636ee928f7522a1c51a4b8

On U.S. charts, how you can tell if a named feature such as a rock (i.e. Great Eastern Rock in Block Island Sound) is submerged?

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🔍 Key Concepts

• U.S. chart symbology for underwater dangers (see chart legend and NOAA Chart No. 1) • Difference between how names are shown (text style/color) versus how hazards are shown (symbols/lines) • How cartographers show something that is underwater vs. above water at all stages of tide

💭 Think About

• Ask yourself: does the fact that a feature is submerged depend more on how the NAME looks, or on a specific SYMBOL drawn at its location? • Think about other submerged features you’ve seen on charts (like wrecks or reefs). What kind of graphical marking usually surrounds or overlays those hazards? • Which of these answer choices sounds like a standardized chart symbol that could be applied consistently to many hazards, not just to named rocks?

✅ Before You Answer

• Check how text styles and colors are normally used on charts (for land/water features vs. hazards). • Look for whether a circle around a feature is used on charts you’ve seen, and recall what its line style or color usually signifies. • Verify in NOAA Chart No. 1 which markings show a submerged rock as opposed to just labeling it by name.

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Question 1 of 2066636ee928f7522a1c51a4b8

On U.S. charts, how you can tell if a named feature such as a rock (i.e. Great Eastern Rock in Block Island Sound) is submerged?

Back

Question 1 of 20

66636ee928f7522a1c51a4b8

On U.S. charts, how you can tell if a named feature such as a rock (i.e. Great Eastern Rock in Block Island Sound) is submerged?

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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