mile atmosphere are a mile dissociate used for plate width / near generally used for chain between 0 and 50000000
standard_mile is not 5,280_feet. mile is linear_unit. standard_mile is 5,280_feet. nautical_mile is nautical_linear_unit. half_mile is linear_unit. sea_mile is nautical_linear_unit. sea_mile is not nautical_linear_unit. survey_mile is linear_unit. mile is not linear_unit. survey_mile is not linear_unit.