Продолжительность: 4:12
Опубликовано: 28 мар. 2024 г.

The map shows how abandoned mine sites are distributed throughout the state, and categorizes the sites by their types of impacts.

Продолжительность: 19:29
Опубликовано: 20 июн. 2020 г.

Продолжительность: 12:00
Опубликовано: 25 июн. 2022 г.

10 февр. 2022 г. · Pennsylvania has the largest inventory of abandoned coal mines in the nation. State environmental experts say these former mining sites can ...

While all are Anthracite coal mines, each and every mine tour has something different to offer, and learn about while there.

At least 44 of Pennsylvania's 67 counties are affected by abandoned coal mines, and 1.4 million Pennsylvanians live within one mile of abandoned mine lands.

Продолжительность: 27:53
Опубликовано: 1 мая 2019 г.

13 окт. 2023 г. · Fun activity for each state look at mine shaft areas then look at missing persons. Almost like a copy paste for most.

Map of Pennsylvania showing locations of 140 abandoned coal-mine discharge sites in the Anthracite and Bituminous Coalfields that were sampled in 1999.