South Pass, Louisiana 1:24,000-scale Orthophotomap

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Go to Map Locator and Downloader and search "south pass".
Discuss the differences between looking at the Mississippi Delta at small and large scales.
How can people access this area? (by helicopter only)
What are the economic activities here (on map: oil field)? What else? (fishing, boat tours).
What sediment type is here? Why are there no rocks in this area? Discuss the mechanics of sediment transport by rivers.
Compare this map to a USGS topographic map of Lake Itasca, Minnesota (Mississippi headwaters), and a map of Dubuque, Iowa. What are the differences in landforms between each region? What is the gradient of the river in each map, and why do the differences exist?