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 ... A microgravity survey carried out by Geotechnology Ltd at the site during early 2010 to help determine the extent of the mine the findings of ...
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...
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 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...
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-25-27-east-g...
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...
Welcome to this second edition of Chalk Mines News which provides an update on work to apply for funding and to appoint a specialist project.
https://www.dacorum.gov.uk/.../high-barns---nash-mills-news-number-2.pd...
We last wrote to you on 8th April 2011, with regards to our application for funding for the Highbarns Chalk Mines Project. At that time we were waiting for ...
https://www.dacorum.gov.uk/.../highbarns-residents-letter---november-201...