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Agriculture 18 Geology 13 Botany 6 Mines and mineral resources 6 Climate change 4 Forage plants 4 Soil Science & Conservation 4 more ...
Agriculture 18 Geology 13 Botany 6 Mines and mineral resources 6 Climate change 4 Forage plants 4 Soil Science & Conservation 4 more ...
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by Davy, Humphry (1778-1829).
Published 1839
Table of Contents: ';
“... delivered before the Royal society. Elements of agricultural chemistry, pt. I -- v. 8. Elements...”Published 1839
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Published 1854
Subjects: ';
“...Agriculture California. lc...”
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Published 1854
Subjects: ';
“...Agriculture California...”
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Published 1854
Subjects: ';
“...Agriculture California...”
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Published 1855
Table of Contents: ';
“... and agricultural resources, commerce, &c., &c. [with Appendices A, B, C] by J. M. Gilliss. 1855 -- II. Report...”
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by Hilgard, Eugen Waldemar 1833-1916
Published 1858
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“...Agriculture Mississippi...”Published 1858
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Published 1859
Subjects: ';
“...Agriculture Missouri. lc...”
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by Hilgard, Eugen Waldemar 1833-1916
Published 1860
Subjects: ';
“...Agriculture Mississippi...”Published 1860
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Published 1860
Subjects: ';
“...Agriculture Mississippi...”
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Published 1872
Table of Contents: ';
“...Report of F.V. Hayden -- Agricultural resources of the Territories -- Paleontology -- Zoology...”
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