THE PANAMA CANAL

The 5 Points of
Authority in
this Book

1. All of the chapters in this book pertaining to the actual construction of the Canal were read and corrected by Colonel George W. Goethals, Chairman and Chief Engineer of the Isthmian Canal Commission.

2. All of the illustrations were made from photographs taken by Mr. Ernest Hallen, the official photographer of the Commission.

3. The book contains the beautiful, colored Bird's-eye View of the Canal Zone, made under the direction of the National Geographic Society, as well as the black-and-white official map of the Canal.

4. The extensive index was prepared by Mr. G. Thomas Ritchie, of the staff of the Library of Congress.

5. The final proofs were revised by Mr. Howard E. Sherman, of the Government Printing Office, to conform with the typographical style of the United States Government.

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"The American Government,"

by the same author, was read by millions of Americans, and still holds the record as the world's best seller among all works of its kind.