*The Gravity Effect of Topography: A Comparison among Three Different Methods DOI: http://dx.doi.org/10.5772/intechopen.97718*

the maximum values (around 2.6 mGal) is not so significant if compared with other biases occurring in the Bouguer reduction.

Thus, the statistics of **Tables 3** and **7** prove the substantial equivalence of the three approaches used for the *TC* computation.
