51.  The privately financed cooperative effort is being conducted in national laboratories better known for their work on the American nuclear arsenal.

52.  The plane would be the latest cooperative effort between Bombardier and Mitsubishi Heavy.

53.  The Roundtable likes to point out the successful cooperative effort between unions and child care workers in San Francisco earlier this year.

54.  The task force is a cooperative effort between the FBI and the New York Police Department.

55.  The Spanish interior minister, Mariano Rajoy, and U.S. Attorney General John Ashcroft met here on Thursday to discuss their cooperative efforts to combat terrorism.

56.  These may seem trivial cases, in which neither the gain from cooperative effort nor the possible gain from individual assertion is very large.

57.  They have become convinced that Fort Worth will wind up getting the short end of the stick in any cooperative effort with Big D.

58.  They said that they hoped this initiative would be the first of many cooperative efforts to find common ground in a House increasingly polarized along party lines.

59.  This is thought to be the first cooperative effort between a university and newspaper in developing an on-line news product.

60.  Thus, it became a marvel of private-public cooperative economic effort.