Home Rocky Mountain International Harvester Rendezvous offers free venue on Saturday, July 21 file photo/Kim Cameron Last year the Harvest International participants tried our the mud pit for the first time at their Rendevous. This year a special pit was built for them on the east side of fairgrounds. The public is invited to watch a variety of Harvest Internationals tackle the mud pit. It will begin approximately at 7 p.m. Admission is free.