How to know if a Vortex leads to the past, future or a parallel dimension?

[Doc 05]

This might help in finding vortexes in your area:
Magnetic anomaly maps and data for North America

Magnetic anomaly maps and data for North America

Airborne measurement of the earth's magnetic field over all of North America provides gridded data describing the magnetic anomaly caused by variations in earth materials and structure.

mrdata.usgs.gov

Viktor Schauberger's research into how flowing water create vortexes and energy as it moves
may provide a key on to how to locate potential vortexes via google satellite maps
for on the ground dowsing and development for HDR use.