typicalBaseCampAltitude_m

Given a predicate that represents a relationship or action between entities, generate a one-sentence description explaining its meaning.  
# Instructions
Focus on describing the relationship, not the entities themselves. 
# Response Format
Begin the description with \' Indicates...\'

Predicate: typicalBaseCampAltitude_m

Indicates the usual altitude, in meters, at which a base camp for an activity or expedition is typically established.