TY  - BOOK
AU  - Butowsky, Harry A.
CN  - QB82.U6
CN  - QB82.U6
CY  - Washington, D.C. :
DA  - [1989]
ID  - 454051
KW  - Astronomical observatories
KW  - Historic sites
KW  - Historic buildings
LK  - http://catalog.hathitrust.org/api/volumes/oclc/20476041.html
N1  - "May 1989."
PB  - Dept. of the Interior, National Park Service,
PP  - Washington, D.C. :
PY  - [1989]
T1  - Astronomy and astrophysics national historic landmark theme study /
TI  - Astronomy and astrophysics national historic landmark theme study /
UR  - http://catalog.hathitrust.org/api/volumes/oclc/20476041.html
ER  -