Apr 7, 2017 ... Information page on chalk mine workings detected in the Highbarns area of Hemel Hempstead.
https://www.dacorum.gov.uk/home/planning.../highbarns-chalk-mines
Jun 28, 2011 ... However, it should be noted that the recent laser survey is limited to the extent of the known mine accessed via five retained boreholes within ...
https://www.dacorum.gov.uk/.../highbarns-cals-survey-report-june-11.pdf?...
Hyder is a major project management. Hyder is a major project management, engineering and environmental consultancy with nearly 5000 staff worldwide.
https://www.dacorum.gov.uk/.../high-barns---09-10-05---public-presentatio...
Introduction. When we met residents in October to bring people up to date with investigations that had discovered chalk mine workings in the area we gave a ...
https://www.dacorum.gov.uk/.../high-barns---nash-mills-news-number-1.pd...
Oct 14, 2015 ... Mines Project, Hemel Hempstead: Project Management, Design, Supervision and. Validation of Mine Treatment Scheme Proposal, reference XGD0236), ...
https://www.dacorum.gov.uk/.../highbarns-chalk-mine-stabilisation-treatme...
1) confirm the extents of the mine indicated by the microgravity survey, our Geotechnical. Assessment Report and the previous ground investigation data. 2) ...
https://www.dacorum.gov.uk/.../hyder-highbarns-public-meeting-presentati...
Oct 16, 2015 ... The objective of this report is to set out the works that were undertaken to treat the mines and provide the results of post mine treatment ...
https://www.dacorum.gov.uk/.../treatment-area-report-for-nos-2-8-pond-ro...
Dec 8, 2009 ... Researching the history of the mines will determine the type of mine ie industrial or agricultural. (industrial mines generally bigger) and also ...
https://www.dacorum.gov.uk/.../highbarns-residents-group-meeting---13-1...
Dec 12, 2012 ... The purpose of this letter is to advise you of work that is shortly to be undertaken to repair an abandoned chalk mine located in the ...
https://www.dacorum.gov.uk/.../letter-for-insurance-purposes-december-20...
Jun 7, 2013 ... compaction grout. This is the same as 33 double decker busses. Although the extent of the mines has proven to be very accurate, the ...
https://www.dacorum.gov.uk/.../bam-ritchies-newsletter-no-nbsp-5---nbsp-j...