Search By ( AUTHORS: Boerker, Richard Hans Douai, 1887- - LANGUAGES: English - TAGGED SPECIES: areas )

AUTHORS: Boerker, Richard Hans Douai, 1887-

LANGUAGES: English

TAGGED SPECIES: areas

Found 5 Books

Ecological investigations upon the germination and early growth of forest trees

By Boerker, Richard Hans Douai, 1887- . Genre Trees / Germination / Growth (Plants) . Names soil / seeds / pinus / plants / robinia and 647 more

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Ecological investigations upon the germination and early growth of forest trees

By Boerker, Richard Hans Douai, 1887- . Genre Trees / Germination / Growth (Plants) . Names soil / seeds / robinia / pinus / s d and 1365 more

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Our national forests a short popular account of the work of the United States Forest Service on the national forests

By Boerker, Richard Hans Douai, 1887- . Genre United States.Forest Service. / Forests and forestry / United States . Names california / area / wood / areas / na and 838 more

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Our national forests a short popular account of the work of the United States Forest Service on the national forests

By Boerker, Richard Hans Douai, 1887- . Genre United States.Forest Service. / Forests and forestry / United States . Names california / area / wood / areas / na and 838 more

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Our national forests a short popular account of the work of the United States Forest service on the national forests

By Boerker, Richard Hans Douai, 1887- . Genre United States.Forest Service. / Forests and forestry / United States . Names california / area / areas / wood / na and 1651 more

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AUTHORS

Boerker, Richard Hans Douai, 1887- [5]

LANGUAGES

English [5]

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TAGGED SPECIES

areas [206]