by A.J. (A. John) Gerrard
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Earthworms · Soils
The formation of vegetable mould, through the action of worms
1870
Humification · Earthworms
The formation of vegetable mould through the action of worms, with observations on their habits
1881
Soils · Soil formation
The geography of soil
1965
Catacombs · Quarries and quarrying
Paris souterrain
1908
Petrology · Soils
A treatise on rocks, rock-weathering and soils
1897
Soil formation
Pedology
1982
Soil science · Soil formation
Soils
1995
Travel · Juvenile literature
Explorers Wanted! (Explorers Wanted)
2003
Landforms · Geophysics
Terrain evaluation
1973
Uplands · Land use
Drivers of environmental change in uplands
2008
Addresses, essays, lectures · Landforms
The unquiet landscape
Valleys · Juvenile literature
Valleys (Landforms)
2006
Sandstone · Landforms
Sandstone landforms
1992
Geomorphology · Glacial landforms
Geomorphology
1997
Congresses · Geomorphology
Theories of landform development
1970
Classification · Soils
The Australian soil classification
1996
Juvenile literature · Continents
New World Continents & Land Bridges
