Peace River is a L6 chondrite

L chondrite

The L type ordinary chondrites are the second most common type of meteorite, accounting for approximately 35% of all those catalogued, and 40% of the ordinary chondrites....

 meteorite

Meteorite

A meteorite is a natural object originating in outer space that survives impact with the Earth's surface. Meteorites can be big or small. Most meteorites derive from small astronomical objects called meteoroids, but they are also sometimes produced by impacts of asteroids...

 fall on the morning of March 31, 1963.

History

On March 31, 1963 at 4:35 a.m. MST, a small meteoroid detonated at a height of 13 km over the skies of Alberta, Canada and broke in two main fragments. A bright flash was visible at a distance of over 100 miles and strong booming detonations were heard.

As soon enought data was obtained and the snow melted, the search for the fragments began.
The first fragment was recovered on April 24th near Mahood farm, 39 km southwest of Peace River town

Peace River, Alberta

Peace River is a town in northwestern Alberta, Canada, situated along the banks of the Peace River, at its confluence with the Smoky River, the Heart River and Pat's Creek. It is located northwest of Edmonton, and northeast of Grande Prairie, along Highway 2. The Peace River townsite is nearly ...

, by John Westgate and R. E. Folinsbee.