The soils of Hertfordshire
By: by A.J. Thomasson and B.W. Avery.
Contributors: Avery, B. W.
Series: Soil survey of Great Britain (England and Wales) -- 3
Publisher: Soil Survey of England & Wales
Published: 1970
Place of publication: Harpenden
Language: eng
Number of pages: 19
Subjects: Soil-surveys -- England -- Hertfordshire.
Notes: 'Reprinted...from the Transactions of the Hertfordshire Natural History Society and Field Club for 1963.' - title page verso.

bibl p19.