Try it out at https://dams.now.sh/ - see this Twitter thread for background.
I started by grabbing the URLs to every downloadable Excel spreadsheet.
I navigated to the "Downloads (Public)" link starting from https://nid-test.sec.usace.army.mil/ - then I ran this JavaScript in my browser's console to extract all of the URLs as a JSON blob.
console.log(JSON.stringify(
Array.from(