# Effort Normalized Relative Frequency of manganese crust
# Data Use Policy: http://dsg.mbari.org/dsg/datause
Depth [meters]	Effort Normalized Relative Frequency
25.0	0
75.0	0
125.0	0
175.0	0
225.0	0
275.0	0
325.0	0
375.0	0
425.0	0.00041587433
475.0	0
525.0	0.000549012468
575.0	0
625.0	0.000467979186
675.0	0
725.0	0
775.0	0
825.0	0.000716939851
875.0	0.000409443714
925.0	0.005185011885
975.0	0.002543832646
1025.0	0.000579620951
1075.0	0.014073645098
1125.0	0.009077226859
1175.0	0.020474886782
1225.0	0
1275.0	0.001549337309
1325.0	0.00216062847
1375.0	0.004370950146
1425.0	0.007543101352
1475.0	0.011217957325
1525.0	0.004794974647
1575.0	0.011507548265
1625.0	0.022355859781
1675.0	0.012439495781
1725.0	0.035822958152
1775.0	0.01186321925
1825.0	0.001091956954
1875.0	0.039490824827
1925.0	0.050750106673
1975.0	0.099775319659
2025.0	0.051159065231
2075.0	0.006713579099
2125.0	0.068470340864
2175.0	0.006893526524
2225.0	0.054204981412
2275.0	0.023103934502
2325.0	0.030205133304
2375.0	0.010407410021
2425.0	0.006756538014
2475.0	0.007862216779
2525.0	0.018933347008
2575.0	0.023810582318
2625.0	0.050524777118
2675.0	0.005606524049
2725.0	0.009906095016
2775.0	0.024655287046
2825.0	0.015564174686
2875.0	0.001551834893
2925.0	0.025256321137
2975.0	0
3025.0	0.031375532306
3075.0	0.035695943313
3125.0	0.051460469526
3175.0	0.02146322144
3225.0	0.005276226355
3275.0	0.012742159857
3325.0	0.009845104845
3375.0	0
3425.0	0
3475.0	0
3525.0	0
3575.0	0
3625.0	0
3675.0	0
3725.0	0
3775.0	0
3825.0	0
3875.0	0.019327960978
3925.0	0
3975.0	0