Whereby, the use of an earth penetratable anchoring means, having a relatively low weight in {HEAD ~ comparison} to {TAIL ~ heavier cement blocks}, which is capable of withstanding at least 400 lbs. of vertical pull to fixedly mark a particular location underwater 
to
Whereby , the use of an earth penetratable anchoring means , having a relatively low weight in { HEAD ~ comparison } to { TAIL ~ heavier cement blocks } , which is capable of withstanding at least 400 lbs . of vertical pull to fixedly mark a particular location underwater
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH