North Renfrew Snowmobile Association was formed in 1975 to coordinate and establish a trail grooming group.  The first president of the NRSA was George Leaky, the NRSA consisted of 4 clubs:

Westend Snow Trackers (Deep River) with a membership of 40-45 family members

Laurentian Sno Gilders (Deep RIver) with a membership of 40-45 family members.

Valley Snow Travellers (Deep RIver) with a membership of 70-80 family members.

Chalk River Snowdifters (Chalk River) with a membership of 40-45 family members.

In 1976 the Wilderness Snow Travellers joined the NRSA with a membership of 12 members. The Wilderness Snow Travellers were replaced by the Missing Link Snowmobile Club.

Below are these clubs original crests: