The initial implementation of the web-based version of the application. It uses the "File System Access API" available to Chrome and Edge. This version does not support FireFox or Safari browsers.
Upgraded for Java 10+ support, this version of the application uses web-servics to communicate with USGS resources.
This was the first available version of the application. It used a custom-built Java Socket Server (Java 8 or lower) to communicate with USGS resources over a custom network port.