-----Original Message----- From: James R. Frysinger <[EMAIL PROTECTED]> To: U.S. Metric Association <[EMAIL PROTECTED]> Cc: U.S. Metric Association <[EMAIL PROTECTED]> Date: January 8, 2002 10:13 Subject: [USMA:17340] Re: Visualization of an acre
>Harry Wyeth wrote: >.... > > We have a rather large block in Charleston, most of which is a park >called Marion Square (after Francis Marion the Swamp Fox); this is >Charleston's "town square", I suppose. That large block turns out to be >very close to 4 ha and so that is the local gauge that I provide for >people learning this unit. We, folks with kilometric odometers, can visualize 4 ha as 2 tenths by 2 tenths. Those tenths being directly readable from the tenths position on our odometers. Duncan > > In hilly or densly forested country, especially, it might be easier to >eyeball ares and then count them up, if one is visually estimating the >area of a patch of land. One can more easily estimate 10 m by 10 m than >100 m by 100 m sometimes. The are (a) is not accepted for use with the >SI, but 100 a = 1 ha. > >Jim > >-- >Metric Methods(SM) "Don't be late to metricate!" >James R. Frysinger, CAMS http://www.metricmethods.com/ >10 Captiva Row e-mail: [EMAIL PROTECTED] >Charleston, SC 29407 phone/FAX: 843.225.6789 >
