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rp - revision point, are such as corners of buildings which were positioned by instrument to control the "tape measure surveys" in the days before GPS. -----Original Message----- From: Contaminated Land Management Discussion List [mailto:[log in to unmask]] On Behalf Of Clive Williams Sent: 08 May 2009 11:52 To: [log in to unmask] Subject: Re: OS mapping queries SD Side MOD6/L-10T SD Single Drain or Ditch (SUSI/SIM Products) BB1969/MOD6/L SD Strand MOD6/L-10T SD Sun Dial DM SD could be 1 of 4 OS things MOD6/L-10T refers to: Ibid., 'Shortened or special abbreviations for use only with road names on 1:10000 published maps and town maps' BB1969 refers to The Blue Book - Instructions to Draughtsmen, Examiners and Area Revisers, Fourth Edition, 1969 MOD6/L referse to Module 6, section L, revised to Amendments nos 2 (May 1986) and 4 (October 1987) DM refers to J.B. Harley, Ordnance Survey maps: a descriptive manual, (Southampton, OS, 1975), pp.169ff. http://www.ordnancesurvey.co.uk/oswebsite/aboutus/reports/misc/ab breviations.html#s You might have a sun dial, I wonder if the "works" was a clock factory? __________________________________________________________________ Any views or opinions presented are solely those of the sender and do not necessarily represent those of Ashfield District Council unless otherwise specifically stated. Please note that Ashfield District Council reserves the right, subject to compliance with legislation, to monitor emails sent or received. Under the Freedom of Information Act 2000 and other relevant legislation, the contents may have to be disclosed in response to a request for information. Printing this email? Please think environmentally and only print when essential. Thank you www.ashfield-dc.gov.uk