2 copies of a CD-RW (written 13 December 2004) containing all 4 volumes of the environmental impact statement on the proposed N4 Dromod Roosky Bypass in counties Leitrim and Longford compiled by Roscommon National Roads Design Office. Markus Casey contributed the section on Archaeology and Cultural Heritage. Files are in .pdf format. See P164/1/1/33 and P164/1/1/34 for physical copies of Volume 2 and Volume 4.

CD-RW containing Word documents (.doc) describing 53 coastal promontory forts and potential promontory fort sites around Ireland. Descriptions of each fort include colour photographs, national grid references, and physical location descriptions. The CD-RW appears to have been mislabelled.

CD-RW (copied October 2004) containing:
-51 photographs of archaeological excavations (13 February 2004 - 18 February 2004);
-Materials pertaining to Casey's inspection of a property in Ballinphuill, Corofin, County Galway where the owner proposed to build a house. Casey found no clear evidence of archaeological sites that would be disturbed by the development, but notes the remains of a stone cashel/burial ground and a traces of a deserted village on adjacent properties. Includes photographs of the site and cashel, plus the completed report (see P164/1/1/35 for a physical copy, 27 February 2004 - 3 March 2004, 15 files);
-Photograph of an unidentified farm house in winter (27 February 2004);
-Materials pertaining to Casey's inspection of a property in Murrooghtoohy South, Fanore, Co. Clare, including photographs of the site, two completed site reports (see also P164/1/1/29), and an invoice to the developer (10 March 2004 – 2 April 2004, 17 files).

CD-RW (copied October 2004) containing:
-Materials pertaining to Markus Casey's supervision of excavations for sewage infrastructure installations ahead of a new development in Merlin Park, Galway, including 10 photographs of excavations (6 March 2003) and 6 Word documents (.doc) related to permits and invoicing (15 March 2002 – 18 March 2003);
-55 documents pertaining to Casey's personal business records and finances;
-19 aerial photographs of an site under excavation and surrounding property in Mountrath, Laois (17 April 2004).

CD-RW (copied April 2004) containing 12 .pdf files related to the M8/N8 realignment project between Cullahill and Cashel, including 11 maps detailing archaeological sites and monuments in the proposed corridor (March 2004) and the Cultural and Architectural Heritage chapter of the associated environmental impact statement (March 2004, 141pp).

CD-RW (written April 2004) containing 50 Word documents (.doc) related to Markus Casey's study of areas to be affected by upgrading of the N5 road through County Roscommon. Each document is a profile of confirmed or potential sites of archaeological and historical significance including colour photographs, locator maps, and physical location descriptions.

CD-RW (written April 2004) containing 51 Word documents (.doc) related to Markus Casey's study of areas to be affected by upgrading of the N5 road through County Roscommon. Each document is a profile of confirmed or potential sites of archaeological and historical significance including colour photographs, locator maps, and physical location descriptions.

CD-RW containing Word documents (.doc) related to Markus Casey's study of areas to be affected by upgrading of the N5 road through County Roscommon. Casey notes that 2 known monuments (a bridge at Scramoge and a previously-bisected ringfort) will be impacted by the proposed scheme) and also notes that 5 known monuments and 6 previously unrecognised features will require test excavations. The documents includes 37 profiles of confirmed or potential sites of archaeological and historical significance (including colour photographs, locator maps, and physical location descriptions), plus 6 files comprising the final report (see P164/1/1/23 for a physical copy).

CD-RW (written 20 April 2004) containing:
-Material pertaining to an archaeological assessment conducted by Markus Casey of 27 Quay St. and 2,3 & 4, Quay Lane, Galway, including photographs of the interiors and exteriors of the buildings before and during the assessment, correspondence regarding the assessment, and Casey's completed report (5 June 2003 – 28 November 2003, 87 files);
-Reports authored by Casey for a properties in Ballinphuill, Corofin, County Galway and Murrooghtoohy South, Fanore, County Clare where the owners proposed to build houses (3 March 2004 – 10 March 2004, 2 files);
-3 photographs of an archaeological site in Knockbrack, County Laois (7 April 2004);
-An unsorted folder with 3 one-page excerpts from other reports and a personal family photograph (15 May 2003 – 24 December 2003).

CD-RW containing 150 aerial photographs of sites proposed for domestic dwelling construction and their surrounding environs. Locations include Flaskagh More, Williamstown, County Galway; Mountrath, County Laois; and Athy, County Carlow.