Mine Design - Part 1: How these old 1800s maps are used for modern day mining

In this Part 1 of the new PAmining short series: "Designing a Mine", PA opens the vault housing the original 1800s-era underground mine maps that serve as the base for coal mine reference and design.

PAmining is on Facebook:
https://www.facebook.com/people/PAmining/100046519906306/
Follow the PA on Instagram: https://www.instagram.com/pa_mining/

Видео Mine Design - Part 1: How these old 1800s maps are used for modern day mining канала PAmining