(Fox News) -- The death toll from superstorm Sandy is up to 74 and expected to keep climbing as workers comb through floodwaters, rubble and fallen trees in the more than a dozen states affected by the 900-mile-wide weather system.

As the cleanup began, stories of tragedy and heroism emerged. An 8-year-old Pennsylvania boy was crushed by a falling tree when he went out to check on the family's newborn calves. A New York police officer saved seven members of his family before drowning in raging floodwaters invading the family's basement. A Brooklyn couple died together when a tree fell on them as they walked their dog - which survived.

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