71.   Sooner or later the base must be changed and the following example demonstrates the difficulty of relating the new index to the old base for long-term comparisons.

72.   This is the operations base for the largest onshore oil field in Western Europe.

73.   Religion was the base for the principles of society and they are all for the good and well being of society.

74.   Villagers believe that a proposed gypsy camp could serve as a base for a terrorist attack on a military college in Oxfordshire.

75.   They used as the base for their attack a campsite in the vicinity.

76.   Detectives believe terror gangs have been renting flats in London and the Midlands using them as a base for operations and then moving on.

77.   Alou and Hidalgo singled to left to load the bases for Castilla, who capitalized with a two-run double off the wall in right-center.

78.   Alou followed with a walk to load the bases for Richard Hidalgo, who drew an RBI walk.

79.   Also, with California being a hot recruiting base for the Big Sky, more scholarships should keep the better players at home.

80.   American military planners also envision the city and its airport as a possible base for operations inside Afghanistan.