Trace #314: Birks Fell Cave sinks around entrance (Upper Wharfedale)

Locations

Injection Point Birks Fell Cave sinks around entrance

[SD931769]
Detection Point Birks Fell Cave
Several inlet systems
[]

Methodoloy

Tracer Not known
Quantity Not known
Detection Method Not known, probably visual

Results

Time Not known
Distance
Average Velocity
Depth

Test Details

Date 1968/1969
Notes
Test credit Craven Pothole Club PMCI
References Craven Pothole Club Journal 4(4):191 (1970)

Map