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Topography for freshwater fish culture topographical surveys : simple methods for aquaculture / Coche A. G.

By: Contributor(s): Publication details: Rome : FAO United Nations, c1989.Description: vii, 266 p. : ill. (some col.) ; 22cmISBN:
  • 9251025916
Subject(s): DDC classification:
  • 20 639.31 COC
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Holdings
Item type Current library Call number Copy number Status Date due Barcode
Book Open Access Book Open Access Agriculture and Animal Sciences Library 639.31 COC 1 (Browse shelf(Opens below)) 1 Available 0028239

Contents

Topographical surveys -Plan survey
How to survey by traveling
How to survey by radiating
How to survey by off set

Topographical survey -Direct levelling
How to level by differential
How to level by profile

Topographical plan and maps
How to make scales for plans and maps
How to make a map by plane tabling
How to map contours

Measurements for areas
How to use the strip methods for measuring
How to use the square grid methods for measuring

Topography and freshwater fish culture
What you have learned
How to make preliminary studies for topographical




Includes bibliographical references and index

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