classifications
| search classifications for: Shaler, Nathaniel (Southgate) |
United States of America
General properties of the Earth, geophysics, geology, geochemistry, and specialists
Geographers, topographers, surveyors
Environmentalists, conservationists, ecologists, relevant researchers
Educationalists, founders / leaders of educational institutions, trainers, teachers, popularizers, reformers, creators of teaching systems
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