1.   An unprecedented boom in tourism brought prosperity to the town.

2.   Although the region has lost many of its pioneer businesses, mostly natural-resource-based, it is experiencing an unprecedented boom in high technology.

3.   And the black churches have been enjoying an unprecedented building boom.

4.   And, faced with an unprecedented housing boom, he has torn down far more low-income housing than he has created.

5.   As a result, its pool of skilled workers has dried up and its middle-class has shrunk in the midst of an unprecedented economic boom.

6.   Having come of age in a period of unprecedented boom and bust, they have extraordinarily high, often unmet expectations of wealth and success.

7.   In his remarks, Clinton cautioned the nation not to forget that even in this time of unprecedented economic boom, many are still left wanting.

8.   Indeed, the circus is taking place under a Big Top of an unprecedented economic boom.

9.   IPOs have helped finance an unprecedented economic boom in Silicon Valley and across the country.

10.   Its purchase was at the end of a long bull market that had resulted in an unprecedented boom in mutual fund assets.