Papers of Colin Graham Trapnell, 1926-1970, comprising four series. The first (CGT/1) consists of Trapnell’s collecting notebooks in Zambia; the second of one file of correspondence sent and received by Trapnell, mostly relating to his work CGT/2); the third series comprises notes, reports and surveys on a variety of topics, such as soil, grazing and South African vegetation (CGT3). The fourth and final series (CGT/4) contains photographs of Zambia, Kenya and Malawi recording the work carried out by Trapnell, and showing vegetation, agricultural practices and also native people and habitations.
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- http://vocabularies.unesco.org/thesaurus/concept14174
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Termos hierárquicos
Soils
Soils
Termos equivalentes
Soils
- UP Soil classification
- UP Soil types
- UP Classification des sols
- UP Type de sol
- UP Clasificación de suelos
- UP Tipo de suelo
Termos associados
Soils
- TR Permafrost
- TR Soil moisture
- TR Soil resources
- TR Plant nutrition
- TR Rocks
- TR Soil mechanics
- TR Minerals
- TR Soil pollution
- TR Soil water
- TR Soil maps
- TR Soil surveys