Conservation and Documentation of the Wall Paintings at Red Monastery, Conservation and Documentation of St. Anthony Wall Paintings, Historic Cairo Architectural Mapping, Coptic Icons Documentation
Abydos North Cemetery: NE-most 2 mortice holes, top view, Boat Grave 10
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: SW-most 2 mortice holes, plank #2, Boat Grave 10, top view looking NW
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: Boat Graves 1 seen from SSW
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: Middle 2 mortice holes in bottom plank #2, Boat Grave 10, diagonal view looking NW
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: Middle 2 mortice holes in bottom plank #2, Boat Grave 10, top view, looking NW
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: Mortice holes in planks #1 and #2, Boat Grave 10, diagonal view, looking SE
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: Middle mortice holes, plank #1, Boat Grave 10, top view, looking NE
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: SW-most mortice hole with cordage (?), plank #1, Boat Grave 10, top view looking NW
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: SW-most mortice hole, plank #1, diagonal view, looking SE, Boat Grave 10
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: General view, 1991 Operations 1, 5, 8 looking N
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: 1991, Operation 15, Locus 12 pit feature in Boat Grave 10 before excavation
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: Boat Grave 10, interior of pit Operation 15, Locus 12 after excavation looking NW
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: BB 10, Operation 21, Locus 9 pit with remains of disarticulated burial
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: Boat Grave 10, interior of section cut 21-4, looking NE
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: NE-most mortice holes, plank #1, BB 10, top view, looking SW
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: BB 10, looking NE, with fragments in test cut 21-4 vis-a-vis rest
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: SW part of plank #5, bottom of hull, BB 10 in progress, looking NW
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: Middle part of plank #5, bottom of hull, BB 10 in progress, looking NW
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: Operation 10, Locus 5, mud brick debris at end of BB 2, looking S
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: Operation 19, end of back fill removal / start of excavation, looking W
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: Operation 19, end of back fill removal / start of excavation, looking N
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: Operation 10, end of day record, looking W
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: Operation 23, Locus 12, bricky patch, looking S
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: Operation 23, Locus 8, mud patch over brickwork, looking N
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: Operation 23, Locus 9, mud patch over sand, looking NE
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: Operation 23, Locus 10, mud/brick debris, looking W
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: Operation 23, end of day record, looking N
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: BB 10, inside bottom plank #3, resin (?) patching a knot, looking NW
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: BB 10, NE end of hull, section cut through hull, looking SW
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: BB 10, section cut in NW side of hull, looking NE (cleaned NW side of '91 test cut)
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: BB 10, section cut in NW side of hull, looking NW (cleaned NW side of '91 test cut)
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: Operation 19, Locus 6, 17, stone clusters, looking W
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: Operation 24, Locus 14, MK tomb shafts, looking SE
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: Operations 5, 24, looking N, seen from ladder
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: BB 1, looking N, from the ground
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: BB 1, looking N, seen from ladder
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: BB 2, looking NE, seen from ladder
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: BB 1, looking N, seen from ladder
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: BB 1-2, looking NNE, from ladder
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: Operation 8, end of day record, after baulk removal
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: Operation 24, end of day record, after baulk removal
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: After baulk removal between BB 1-2, looking NE
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: Operation 24, Locus 14, MK tomb shafts, looking E
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: BB 1-3, looking NNE, seen from ladder
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: BB 10, SE side planks, looking SE with letters
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth
Abydos North Cemetery: Baulk between Operations 8, 1 before removal
Location:
Abydos, Egypt
Time Period:
Early Dynastic Period (ca. 2700 BCE), 2nd Dynasty, and Thinite Period
Topic:
Pharaohs, Conservation Archaeology, Excavations (archaeology), Upper-Egypt, Kings and rulers--Death and burial, Sepulchral monuments, Masonry--conservation and restoration, Boat burials, Khasekhemwy, King of Egypt, and Khasekhemui Horseth