This map is the result of a huge number of steps and an enormous learning curve. We learned how to access data online, download it, import it into ArcMap, and work with it to make sure all spatial references were defined. One of the last steps was to make sure there was a common coordinate system and projection. Many of the layers were in a different projection (Albers), it was necessary to reproject them so that they lined up correctly.
Another important step was undertaken in Excel, where a formula was used to convert lat./long. with degrees/min./sec. into decimal degrees. Then the file, which specified the location of petroleum storage tanks in a monitoring program, was imported into ArcMap and saved as a shapefile. Again, reprojection was necessary to make the STCM sites show up correctly.
Once the main map was constructed, the process of "owning my map" began. I added two insert maps to show the location of the two aerial quads within Escambia County, and of Escambia County within Florida. Because of the long shape of the quad map and the lack of white space on that map, I thought I'd place several of the other map elements on the right for balance.
This was the most difficult and time-consuming lab so far, and completing it makes me feel like I have accomplished quite a lot.
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