Elementary Surveying

INTRODUCTION

1. Surveying - may be defined as the art of making measurements of recative positions of namral, man-made feature on the earths surface and the representation of the infromation either in graphically or numerecally.
   

• TWO GENERAL CLASSIFICATION OF SURVEYING
  

1. Plain Surveying - is the type of surveying in which the earth is consedered flat surface and where the distance is in limited extent and the exact shape of the earht is disregard.


2. Geodetic Surveying - is a type of surveying that is in wide extent in which it takes into account the spheroidal shape of the earth.