How can I get a copy of my pass?

Probably at member services

Member services. Call the national number and they will send an email. So you can get in the park to get new cards

My buddy lost his today and guest services gave him a new one same day

Guest services can help you out. Another solution is to download the app and scan your current pass if it's in your possession. You can use the digital version of your pass everywhere. If you have multiple passes you can have them all stored in your app so there's no more need to have a physical pass if you'd like.