Coal in Alberta Crossword

The main natural resource in Alberta before oil was discovered: ____________
The first coal mine in Alberta was located near __________________.
Long layers of coal below the earth's surface are known as _____________.
Coal is a _______________ _________, which means is comes from the remains of plants and animals.
Years ago, coal was burned to ____________ homes and other buildings.
Locomotives on the _______________ used coal to create steam to power their engines.
Until 2018, Alberta generated most of it's ________________ from coal.
Coal can be mined by digging it from tunnels deep in the ground or from _______ -_____ mines.
The largest open-pit coal mine in Canada: the ____________ __________.
Mining companies are now looking for new ways to burn coal without _______________ the air.
One disadvantage of coal mining is that it _____________ the land.
One of the dangers of mining coal underground: ______ ________________