91.   But other estimates are higher.

92.   But Reissig stressed that the estimate is very preliminary.

93.   But other officials said that any cost estimates at this point were little more than educated guesses.

94.   But that estimate is likely to come down today.

95.   But that estimate may be wildly optimistic.

96.   But state officials cautioned that early estimates were just guesswork, and the correct number remains unknown.

97.   But the estimate is entirely unsubstantiated.

98.   But preservationists, most outspokenly the National Trust for Historic Preservation, argue that such estimates can be inaccurate.

99.   But the official estimates are mainly just guesses.

100.   But the official said the early estimates were that the tribunals could be used for several dozen prisoners.