For more information on how depreciation is measured in NIPA, see Arnold Katz and Shelby Herman, Improved Estimates of Fixed Reproducible Tangible Wealth, 1929-95, Survey of Current Business, Bureau of Economic Analysis   
The 1929-95 Survey of Current Business discusses how NIPA measures depreciation.
The 1929-95 Survey of Current Business isn't a good source of additional information on how NIPA measures depreciation.
A dog is walking.
The kids are jumping.
A croud of people outdoors.
A man looks at a demolished lighthouse, saddened.
A woman is sitting on the sand.
The others had followed someone.