Erratum for “Groundwater Mound due to Artificial Recharge from Rectangular Areas” by Sushil K. Singh

In second term of the right-hand side of Eq. (18) on p. 478, the value of 59 should replace the value of 55. In the second term of Eq. (23), $[\mathrm{\Delta }h(x_0,y_0,t)/{2h}_0{]}^2$ should replace $[\mathrm{\Delta }h(x_0,y_0,t)/{2h}_0]$ on p. 478. The corrected equations should be read as