An unintentional roof fall occurred at the Galatia Mine New Era Portal at the #1 Entry of the 5W headgate #1 setup room face at +145. The fall was approximately 16 - 17 feet long, approximately 17 feet wide and approximately 6 1/2 feet thick. The fall did not affect ventilaation or passage of workers. The fall will be cleaned up. Fall #26 F