ANTH 362 ElevationAPI example

Description

Demonstrating model creation with elevationAPI for Intro to Digital Archaeology, Fall 2020 at the in the Center for the Analysis of Archaeological Materials, University of Pennsylvania * Generator: [DEM Net Elevation API](https://elevationapi.com) * Digital Elevation Model: [SRTM_GL1 OpenTopography](https://opentopography.org/) * Imagery: [Esri World Imagery](https://services.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer)