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Cover Page

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Contents

Acknowledgements

Introduction

Summary

Nominations

Other Sites

Existing National Historic Landmarks

Glossary


Astronomy and Astrophysics
Allegheny Observatory 		National Park Service Arrowhead


Allegheny Observatory

statue
Allegheny Observatory — Pittsburgh, Pennsylvania.
John Brashear Statue, 1988.
(Photo Credit: Allegheny Observatory)

lecture hall
Allegheny Observatory — Pittsburgh, Pennsylvania.
Lecture Hall with historic telescopes, 1988.
(Photo Credit: Allegheny Observatory)

library
Allegheny Observatory — Pittsburgh, Pennsylvania.
Library, 1988.
(Photo Credit: Allegheny Observatory)

telescope
Allegheny Observatory — Pittsburgh, Pennsylvania.
30-inch Thaw Refractor, 1988.
(Photo Credit: Allegheny Observatory)

photometer
Allegheny Observatory — Pittsburgh, Pennsylvania.
Multichannel Astrometric Photometer (MAP) on the Thaw Telescope, 1988.
(Photo Credit: Allegheny Observatory)

telescope
Allegheny Observatory — Pittsburgh, Pennsylvania.
31-inch Keeler Reflecting Telescope, 1988.
(Photo Credit: Allegheny Observatory)


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