The measurements of the shafts are those published by Rudolf Gantenbrink on his website.

All the other measurements are from the following books:

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W. M. Flinders Petrie "The Pyramids and Temples of Gizeh"

I. E. S. Edwards "The Pyramids of Egypt"

Mark Lehner "The Complete Pyramids"

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The measurements for the relieving chambers, the well shaft and the pit in the subterranean chamber are only approximations deduced from the diagrams in these books.

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