Lab 9B reference to adding stream layer from Lab 9A

[Shannon Wing Belmont]

Hey all,
Someone just pointed out a false reference in lab 9B (near the top of page 8) where I suggest you add the stream layer from lab 9A.

What you could add is the NHD stream layer from Lab 8 (Emigration canyon oil spill). You could also download stream data from the AGRC.

Shannon

[Fidel Zebadua]

Hello Shannon,

I am having troubles running the raster calculator tool. The lab says we need to subtract 2010 DEM from 2011 DEM. My problem is that every time I try to run this tool (raster calculator) after 3 minutes the computer is thinking, the software close suddenly. It has been happening since last part of the lab for making easy to calculate the some features areas, but fortunately there were few different ways to calculate the area. In this case I do not know if it is possible to skip this step or using a different tool or technique for developing this lab. Could you please give me some hints about his issue or if you know how to enable or unlock some of these tools I will be more than happy. Thank you so much.

Shannon

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