This was relatively straightforward to make. I came across a notable keyboard shortcut during the extrusion portion of this modeling exercise. Basically, after I had extruded the plane, I hit s + z + 0 to give the extrusion a flat button.
This is the tutorial I referenced: CG Geek: How to Create 3D Terrain with Google Maps and Blender!
Realizing it is hella difficult to position my camera for the final render in these scenes – the area I built was just too huge! I’m going to consult my BFF James Hosken, as the resident Blender expert in my life, on this.