Share on Google Plus. An illegal u-turn is when an individual performs a u-turn in an unauthorized zone where a sign is posted. Illegal u-turns are considered traffic violations, and individuals who are found guilty of this violation could end up with serious fines and penalties.
AQUAGUIDE POND MANAGEMENT SERIES What is it? Turnover is the gentle, natural mixing of pond and lake waters.It is caused by changing temperatures in surface watersbrought on by the progression of the seasons. In Missouriâscontinental-temperate climate, most ponds and lakes turn overin both the fall and the spring.
A crater lake is a lake that forms in a volcanic crater or caldera, such as a maar; less commonly and with lower association to the term a lake may form in an impact crater caused by a meteorite, or in an artificial explosion caused by humans.