61.   This year, nature itself has taken a heavy toll on the Porcupine caribou.

62.   Vincent favors letting nature take its course in the hope that the few remaining Madison rainbows will be resistant and that the population can be rebuilt from them.

63.   Within the boundaries of Mount St. Helens National Monument, the Park Service ethos of letting nature take its course is followed.

64.   After letting nature take its course, he said, Australian engineers could enter the area and determine if water supplies will be safe enough to ever allow resettlement.

65.   After letting nature take its course, he said, engineers could enter the area and determine if water supplies will be safe enough to ever allow resettlement.

66.   Fredericks opposes letting nature take its course.

67.   In addition to tourism, nature has taken a toll on the historic structure.

68.   It followed months of legal wrangling over whether the parents could refuse surgery and let nature take its course.

69.   The hospital provided no details of the complicated procedure, which followed months of legal dispute over whether the parents could refuse surgery and let nature take its course.

70.   The procedure followed months of legal dispute over whether the parents could refuse surgery and let nature take its course.