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Field Guides
How to measure the height of a feature
How to draw a field sketch
How to calculate the carbon content of trees
How to measure the velocity of a river
How to measure the relative amounts of soil components
How to calculate the age of a tree
How to calculate soil organic content
How to calculate soil moisture content
How to measure the angle of a slope
How to calculate the cross sectional area of a river channel
How to measure the turbidity of water
Dirty hands test
Identifying the age of a building
Krumbein phi scale
Getting the most from questionnaire surveys
Soil texture triangle
Spatial sampling
Sampling strategies
How to measure canopy cover
How to measure transpiration rate
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