Submitted by Kim Meints : jackiesavon@mchsi Don River Rule Question and Answer from SPI. Don River Rule(10.23) Question: Can this rule be used to Physically prevent German Units crossing at any point! What about a rule for breaching a river line? Answer: Prelim.Rule Change/Addition (10.23 bis) 1. Each side given 2 Bridgehead markers 2. Each unit may be used in a crossing operation into ONE hex 3.Units may cross into enemy ZOC so long as Bridgehead unit available up to s tacking limit 4.Friendly units stacked w/ Bridgehead have Combat Strength HALVED 5.Overruns initiated from a Bridgehead hex at 1/4 strength 6. BridgeHeads are removed if no friendly units occupy it at end of Game Turn