LevelBatchDescription9 pencil on graph paper drawings of Trwyn Du Cairn near Aberffraw, showing plans of excavation trenches and general layout of site, produced by Christopher Houlder during the 1957 excavations.ArchiveCHH - C.H. Houlder CollectionDateArchive Number6437733
LevelBatchDescription3 measured drawings showing general plan, west part of section and plan and section of central grave of Banc Troed Rhiw Seiri Ring Barrow. 5 field drawings on graph paper of various sections through the burial pit and general profiles of the barrow, produced by Christopher Houlder and dated August 1955.ArchiveCHH - C.H. Houlder CollectionDateArchive Number6437729
LevelBatchDescriptionNine CBA County Petrology Key Maps, collated by Christopher Houlder, between 1950-1985.ArchiveCHH - C.H. Houlder CollectionDateArchive Number6438713
LevelBatchDescription4 measured drawings of Mynydd Rhiw Neolithic Axe Factory, showing longtitudinal section of site, soil and sub-soil composition and detailed drawings of finds at the site; 14 field drawings, pencil on graph paper, of general plan dated 1958-59 and outlines and calculations of top site, stony banks and middle site areas, dated 1958 with additions in 1959, produced by Christopher Houlder.ArchiveCHH - C.H. Houlder CollectionDateArchive Number6437731
LevelBatchDescriptionAnnotated drawings, plans and sections, on tracing paper, of the excavations and finds at Hazard Hill; field drawings and calculations on graph paper and 1 b/w aerial image of site, collated and produced by Christopher Houlder, 1950-1951.ArchiveCHH - C.H. Houlder CollectionDateArchive Number6437736
LevelBatchDescriptionMeasured annotated plan on tracing paper, of the Chambered long cairn near Clyro Court Farm, produced by Christopher Houlder and C.S. Briggs, dated 16th October 1973.ArchiveCHH - C.H. Houlder CollectionDateArchive Number6437734
LevelBatchDescriptionThree original drawings by B.H. Issac of axe head finds from two Cardiganshire sites, dated 1891.ArchiveCHH - C.H. Houlder CollectionDateArchive Number6437572
LevelBatchDescriptionTracings of original plans and pen and ink drawings and sections of the excavations and finds at War Ditches, north and south barrows, collated and produced by Christopher Houlder, between 1950-1985.ArchiveCHH - C.H. Houlder CollectionDateArchive Number6437737
