Explain entry into survey field book and level book.

Field Book:

• The book in which the chain or tape measurements are entered is called the field book.
• It is an oblong book of size about 20 cm x 12 cm and opens lengthwise.
• The main requirements of the field book are that it should contain good quality stout opaque paper.

In case of survey field book (chain survey) entry data is started from bottom page of field book to top in upward direction while in the case of the level book entry data is started from top to bottom in downward direction. The format of level book and field book is shown below:

Field Book:

• The book in which the chain or tape measurements are entered is called the field book.
• It is an oblong book of size about 20 cm x 12 cm and opens lengthwise.
• The main requirements of the field book are that it should contain good quality stout opaque paper.

In case of survey field book (chain survey) entry data is started from bottom page of field book to top in upward direction while in the case of the level book entry data is started from top to bottom in downward direction. The format of level book and field book is shown below: