Description
- Language(s)
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English
- Published
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Harrisburg : State Printer, 18 .
- Note
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"The building materials of Pennsylvania. I. Brownstones, by Thomas C. Hopkins": Annual report ... 1896. Appendix. "Clays and clay industries of Pennsylvania. I. Clays of western Pennsylvania (in part) ... By Thomas C. Hopkins": Annual report ... 1897. Appendix. II. "Clays of southeastern Pennsylvania (in part) ... By Thomas C. Hopkins": Annual report ... 1898/99. Appendix. III. "Clays of the Great Valley and South Mountain areas ... By Thomas C. Hopkins": Annual report. 1899/1900. Appendix.
Title varies.
1886 includes reprints of Bulletins no. 1-16, Nov. 15, 1882-Nov. 15, 1886 (agricultural experiments).
1887- in two parts; pt. I. Departments of instruction; pt. II. Agricultural experiment station.
- Physical Description
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v. :
illus., plates, maps, charts (part col.) tables ;
24 1/2 cm.
Viewability