This document details several practical guidelines which are recommended for controlling and monitoring methane levels in the face areas of underground coal mines. Most of the recommendations were based on studies conducted in the NIOSH ventilation test gallery.

On one occasion during his ministry, Jesus told the apostles that if they had faith as great as a mustard seed, they could say to a mountain, "Get up and be cast into the sea," and it would be done. In the light of all the beautiful figures of speech that Jesus used, this one seems to follow that course. There would be no great value in moving a mountain into the sea or anywhere else, so what could he have meant? The contention of this work is that he was talking about the great hindrances, the almost impossible barriers that would confront the apostles and others in the early church. Some of...