Topography for freshwater fish culture topographical surveys : simple methods for aquaculture /
Coche, A.G
Topography for freshwater fish culture topographical surveys : simple methods for aquaculture / Coche A. G. - Rome : FAO United Nations, c1989. - vii, 266 p. : ill. (some col.) ; 22cm.
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
9251025916
Topography
Fish culture
639.31 / COC
Topography for freshwater fish culture topographical surveys : simple methods for aquaculture / Coche A. G. - Rome : FAO United Nations, c1989. - vii, 266 p. : ill. (some col.) ; 22cm.
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
9251025916
Topography
Fish culture
639.31 / COC