A gravity survey is carried out over a suspect ore deposit, revealing a regional linear trend and a local gravity high. The complete Bouguer anomalies along a transect passing over the center of the gravity high are reported in the table below. Estimate the depth of the ore deposit and its total mass anomaly.

Please at least give me formulas, i don't understand how they are able to find depth without the width of the anomaly.

LOON 0 Station number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Distance along Bouguer gravity transect [m] anomaly (mGal] -10000 5.11 -9000 5.65 -8000 6.20 -7000 6.78 -6000 7.42 -5000 8.13 -4000 9.01 -3000 10.15 -2000 11.68 -1000 13.48 0 14.66 1000 14.48 2000 13.68 3000 13.15 4000 13.01 5000 13.13 6000 13.42 7000 13.78 8000 14.20 9000 14.65 10000 15.11