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# Weekly Challenges

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## Challenge #228: Know Your Boundaries

Alteryx

A solution to last week’s challenge can be found hereSource: https://www.nps.gov/miss/riverfacts.htm

The Mississippi River, also known as the Mighty Mississippi, is the 4th longest river in the world and the largest in North America. The river has always played an important role in the societies that inhabit the surrounding lands by supporting trade, serving as a method of transportation, and draining much of the eastern portion of North America for thousands of years. The river has even been central in the arts, taking prominent roles in the writings of Mark Twain and the musical Show Boat.

The river also serves as a boundary marking portions of the borders between 10 US States. For this week's challenge, use the state shapefiles to create an approximation of the Mississippi River where it forms boundaries between states. The final output should run from the supplied Start point to the End point.

11 - Bolide

Problem solving with the spatial tools is a great way to start the week!

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(edit 8/10 11:52 CT) video of solution overview:

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12 - Quasar

What did the ocean say to the river?

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I appreciate the sediment.

11 - Bolide

Interesting challenge. Kind of works, provided you don't look too close at the border.

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11 - Bolide

I spent more time than I usually would on this challenge. I got a "solution" a few different ways, but was never fully satisfied with them: too many tools, gaps in the line, etc.

I am happy with this solution: relatively few tools, easy to understand, and (as far as I can tell) it creates a smooth, continuous Mississippi River line.

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View my solution video here:

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16 - Nebula
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16 - Nebula

Solution attached

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15 - Aurora

I really enjoyed this one 🙂 Looking forward to see how everyone else did it

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15 - Aurora

@PhilipMannering This is inspired 👏👏👏

13 - Pulsar

Like most spatial challenges, I'm sure there is a simpler way. My solution:

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