This map visualizes the dominant economic activity of each county in the US, according to data from the US Department of Agriculture's Economic Research Service.
Note the data here was published in 2015.
This map is based on the same logic as my previous one where I mapped election data
The base map is the same template, created on Mapbox GL, which is a free web-mapping service. As in any mapping, you take the base layer and add layers on top of it. For the layers here, I used data from the US Department of Agriculture. The data was analyzed with Python using a Google Colab notebook. For the analyses bit, I'd initially clubbed counties by state