Simplify the following text for a Grade 13 native English-speaking person.
Original: From approximately 1953 to 1971 there was a sizeable garrison of Canadian soldiers and their families stationed at Soest ( with the Canadian camps located just east of the town in Bad Sassendorf ) as well as Werl and Hemer-Iserlohn and Deilinghofen to the southwest .
Simplified: From about 1953 to 1971 there was a big garrison of Canadian soldiers and their families stationed at Soest ( with the Canadian camps just east of the city in Bad Sassendorf ) as well as Werl and Hemer-Iserlohn and Deilinghofen to the south west .