I recall only blackness after that, for an unknown period of time.

He did this for an unknown period of time that was not written in the Bible.

He was a member of Kristiansand city council for an unknown period.

It reflects at least two settlements over an unknown period of time but including a warm season occupation.

Immediately after the war, a military occupation would be put in place for an unknown period of time, the president was described as saying.

Several of the leaders were in fact jailed, for an unknown period of time.

Only four cautions were given out for an unknown period of time.

Gil spent an unknown period waiting for Evergray to show up.

In 2006, Dennis began taking a variety of drugs and was homeless for an unknown period.

He also gives Sheriff an unknown period of jail time.