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THE PHARAOHS' : ANCIENT EGYPTIAN METALLURGY

TI n an age when is conducted on an lode country increased in size and scale, the clam­ industrial scale through the use of explosives, or for more efficient means of processing huge draglines, and enormous -carriers, there grew ever more strident and in response to this is a tendency to forget that mining was, and is, an demand milling processes grew increasingly activity involving the concerted efforts of human sophisticated. Greever notes that California's beings. In his depiction of mining activities in hardrock miners first relied on and California's nineteenth-century gold fields, Chilean mills to reduce their ores. When these William S. Greever in The Bonanza West: The Story devices failed to provide satisfactory returns of the Western Mining Frontier, 1848-1900 calls to California's argonauts then began to employ mind the human factor involved in the extraction stamp mills to process their gold ores.3 of ore from beneath the earth's surface: The processes underlying the operation of a stamp had changed little in the centuries [T)he deepest shafts in California leading up to the California .4 Greever quartz mining went down ... about compares the basic function of a stamp to that of a three hundred feet; often a deposit was pharmacist's mortar and pestle. In its simplest worked by a tunnel into a hillside or application, a stamp was dropped repeatedly on a even an open cut. The men used hand piece of metallic ore until the ore was reduced to drills, sledges, and a little black pow­ powder. The sand or finely crushed material that der to extract the ore.l emerged from the stamp was then subjected to a variety of concentration and processes to Mining ore was, however, only an initial step separate the metal from the waste.S in the process of extracting metals from nature's Just as today's miners owe a debt to the prac­ tenacious grip. As Greever concedes "to separate tical miners and engineers of California's gold gold from ... ore was a difficult process.2 There fields, early miners depended on technology first is, then, a second factor inherent to the mining developed thousands of years ago. The evolution industry. This second step involves milling or of this technology merits examination. . processing the ore to recover its metallic content. The exact time or even rough estimates as to As mining operations in California's mother when humanity began to make use of metals

81 82 The Pharaohs' Gold remains hidden in the dim mists of prehistory. We er of gold in the Eastern Hemisphere. During this can only presume that many thousands of years period, estimates show that Egypt consumed ago ancient artisans discovered nuggets of placer four-fifths of the gold production of the ancient gold or lumps of native and hammered world. By 1,500 B.C. Egypt's production of gold and polished the raw metal into shapes and reached an estimated 1.4 million pounds.lO designs that suited their needs. Gold became an essential element or Egyptian Historical and archaeological records indicate material and spiritual culture. From jewelry to that the peoples of Egypt and Mesopotamia by religious statuary, from currency to the trappings 4,000 B.C. had made great advances in metal­ of state, the people of Egypt found a multitude of working and were familiar with metallurgical uses for gold. processes.6 In the centuries prior to 3,000 B.C. Gold, for example, was a medium of exchange metallurgical technology had advanced beyond in ancient Egypt and as such long predated the just mining, milling, and to the produc­ coining of .ll By the end of the fourth mil­ tion of alloys.7 One such alloy, bronze, revolu­ lennium B.C., during the reign of the Pharaoh tionized the manufacturing of tools and weapons Menes, small14-gram gold bars stamped with the and forever changed humanity's perception of the pharaoh's name were produced by the royal trea­ physical elements that comprised the world. With sury.12 It is believed that Egypt's earliest gold cur­ the discovery of the basic principles of mining rency was in the form of rings. In circulation by and metallurgy, humanity could now improve around 2,700 B.C., these rings bore a stamp which upon nature-alter the basic composition of the indicated their weight.13 Although archaeolo­ elements-to meet its needs. gists have yet to discover specimens of this ring­ Any attempt to portray fully the early history money, J. Gardner Wilkinson, a noted of the mining and milling of ores in a brief article nineteenth-century Egyptologist, found that this is simply not feasible. Likewise any attempt to form of currency was commonly represented in recount the mining and metallurgical history of a Egyptian art work.14 single nation is just as difficult. What can be pre­ To the Egyptians, gold served more than as a sented, however, is a brief account of a single civ­ medium of exchange, it was also a substance of ilization's fascination with gold and its epic great religious significance. By the time the endeavors to acquire that most ancient and pre­ pharaohs ruled, gold was believed to be the sub­ cious of metals. stance of the body of the sun-god, Amon-Re. One such ancient people evolved in North Consequently, the pharaohs, descendants of Africa along the banks of the Nile River in Egypt. Amon-Re, lived a golden life, surrounded by the Egyptian civilization-birthplace of pharaohs and "sun's metal." Their furniture, clothing, dining pyramids-was from its inception a culture and utensils, ornaments and symbols of office, all society driven by an insatiable appetite for gold. were fabricated from this sacred metal.l5 Beginning about 5,000 B.C. various Hamtic One indication of the importance of the sun's peoples began to settle along the Nile, hunting, metal to Egyptian culture is fo und in its written fishing, and raising crops to sustain their small symbol for gold. Wilkinson suggests that the villages. Within a few centuries, the neolithic peo­ hieroglyphic character that signified gold was ples of the Nile, these proto-Egyptians, left the comprised of three separate characters describing stone age behind and embarked upon the transi­ the process of refining gold: a symbol for the tion from village life to that of city dwellers, and bowl or pan in which the gold was washed, a builders of a great civilization.B symbol representing the cloth through which the Archaeological and historical sources suggest gold was strained, and a symbol depicting flow­ that Egyptian metal-workers as early as 4,000 B.C. ing water.16 Modern scholars, most notably C. H. had developed remarkab.ly sophisticated gold­ V. Sutherland, suggest a linkage between the smithing skills.9 In the millennia prior to the Egyptian word for gold, nub, and Nubia, one beginning of the Christian era, Egypt was in all ancient gold producing region which lay just to likelihood both the largest consumer and produc- the south of Egypt proper.17 1995 Mining History Journal 83

An old adage states, "gold is where your find it." the surface.22 Many of the major Nubian quartz The Egyptians understood this concept and mines were located in the Bisharee desert.23 became quite proficient at finding the precious Wilkinson notes that from the days of the metal. So important was the search for gold that pharaohs to as late as the tenth-century A.D., the one of the oldest known maps, dating to around Bisharee district had been extensively explored 1350 B.C., illustrates an Egyptian goldfield.18 and prospected. In an account of his travels The Nile River-source of life and civilization through Bisharee in the nineteenth-century, he for ancient Egypt-probably provided Egypt's found ample evidence of this activity: "so diligent metalsmiths with their earliest supplies of gold. a search did the Egyptians establish ... that I For untold thousands of years the Nile mean­ never remember to have seen a vein of quartz ... dered between the Libyan desert to the east and which had not been carefully examined by their the coastal high lands flanking the Red Sea to the miners."24 west. For millennia, the mighty Nile washed Diodorus Siculus, a historian from the Greek away any obstacles that stood in its path, yet it colony on Sicily, writing at the close of the second­ al~ays left behind vast alluvial deposits in its century B.C., provides us with a brief description wake. In addition to the deposits left by the of the quartz zones in what was possibly the river's ancient meanders, the Nile's annual floods, Coptos-Berenice district- which swept down from the highlands of interior Africa, supplied, with almost clockwork regulari­ The soil, naturally black, is traversed ty, the fertile silt of Egypt's farmlands. with veins of marble of excessive Whether caused by the river's ancient mean­ whiteness, surpassing in brilliancy the dering or from its annual floods, one region of most shinning substances; out of ancient Egypt, which lay between the first and which the overseers cause the gold to sixth cataracts of the Nile, was especially rich with be dug.25 gold.l9 The vast alluvial deposits of this region, located roughly from modern-day Aswan, Egypt, That Diodorus was speaking of quartz when he to Khartoum, Sudan, provided Egypt's earliest referred to "marble" seems a reasonable assump­ goldsmiths with their raw material. Modern tion. Pliny the Elder, a Roman student of natural scholars estimate that these placer deposits yield­ history writing in the first-century A.D., also ed some 40,000 pounds of gold.20 describes gold as "found sticking to the grit of Two major fields supplied Egypt with its free marble."26 He further notes that gold was found milling gold quartz. The first, the Coptos­ "sparkling in the fold s of the marble."27 Berenice district, a plateau region in Upper Egypt, Not all of the gold that adorned the pharaohs consisted of a broad quartz zone approximately and filled their royal coffers came from mines and 60 miles wide, stretching east to west from the placers under Egypt's direct control. Beginning Red Sea littoral to the Nile valley, and extending around 2,000 B.C. Egypt sent trading fleets south south from the 26th parallel for some 200 miles. from ports on the Red Sea to seek out new sources The ores of the Coptos-Berenice district were of gold along the coast of Africa. One trade cen­ readily mined by shallow surface works.21 ter, known to the Egyptians as Punt, was opened The site of ancient Egypt's second major on the East African Jittoral, near the mouth of the source of free milling ore lay to the south and west Zambezi River in modern Mozambique. From of the Coptos-Berenice district in what was then Punt shiploads of gold, ebony, and slaves flowed known as Nubia, a region encompassing much of north to enrich the pharaohs and their subjects. 28 the northeastern quarter of modern Sudan. The Leslie Aitchison, metallurgist and historian, Nubian fields, which extended east to west logically suggests that ancient civilizations relied between the Nile and the Red Sea and lay just on alluvial deposits for their supplies of gold long north of the 22nd parallel, consisted of auriferous before developing the technology necessary to deposits. The Nubian mines, like those of the mine and mill quartz ores.29 His description of Coptos-Berenice district, were easily worked from early placer operations demonstrates the high 84 The Pharaohs' Gold

degree of technology employed by ancient began to mine and mill quartz ores is not known, prospectors and miners. According to Aitchison, scholars agree that by 3,000 B.C. the art of milling the use of animal skins-sheep pelts in particu­ ores was an established facet of Egyptian metal­ lar-as filters to trap gold in the washing process lurgy.35 The Greek historian Diodorus provides became the inspiration for great myths: us with a compelling description of mining oper­ ations in what was probably the Coptos-Berenice The washings were passed over the district. As was the case with many ancient civi­ fleeces and the particles of gold lizations, the Egyptians relied on slaves to work adhered to the wool. AImost certainly, their mines. "The Pharaohs," Diodorus writes, the legend of the Golden Fleeces that "consign to the mines those who have been con­ was sought by Jason in the Colchis demned for crime and who have been made cap­ region of northern Anatolia had its fac­ tive in war."36 Those unfortunates who were tual basis in this practice.30 sentenced to hard labor in the gold mines toiled at their tasks in chains, "getting no rest and jealous­ Once the "Golden Fleece" was thoroughly ly kept from all escape."37 Diodorus further impregnated with gold dust, the miners burned it notes that: to recover the gold trapped within its wooly fibers. Aitchison notes that placer miners in [N]o attention is paid to their persons; Egypt used cattle and goat skins as filters, while they have not even a piece of rag to bundles of cloth were similarly employed in the cover themselves; and so wretched is Nubian goldfields.31 Not surprisingly, "modern" their condition that everyone who wit­ placer mine~s of the nineteenth century adopted nesses it deplores the excessive misery this same technique, tacking a piece of old carpet they endure.38 to the bottom of their rockers to trap gold dust. Historian C. H. V. Sutherland also argues that The mine superintendents assigned tasks to long predated hardrock mining. the mine laborers based on their skills, strength, The Egyptians, he theorizes, worked the alluvial and age. The conscript laborers who were "skilled deposits by panning, a process employed by in distinguishing the stone," acted as the slaves' "prospectors throughout history".32 Sutherland's overseers, relying on the whip and lash to achieve description of panning clearly reveals the endur­ production quotas.39 ing nature of certain processes and technology: Lacking explosives or power drills, Egyptian miners employed fire to aid in the sinking of A shallow circular dish . . . is filled shafts: "the hardest of the earth ... they burn about two-thirds full with the pay-dirt with a good deal of fire, and make soft."40 On to be washed. . . . The prospector . . . other occasions cadres of slaves used crude tools both rotates and twists the pan so as to to drive the shafts ever deeper into the depths of keep its contents suspended in the the earth: "[T]he soft rock and that which easily water.... The movement thus given to yields to stone chisels or is broken down by the water results in the lighter particles thousands of unfortunate souls."41 being carried awa~ leaving a residue The strongest among the miners, men in the either of pure gold or heavier gold­ prime of their lives, worked with iron pickaxes bearing ore or both.33 and "sheer brute force" to follow drifts among the quartz laden country rock.42 "They hew out gal­ J. Gardner Wilkinson's explanation of the symbol­ leries," Diodorus observes, "not following a ism underlying the Egyptian hieroglyphic for straight line but according to the vein of the glit­ gold certainly lends credence to Sutherland's con­ tering rock. "43 Interestingly the miners made use tention that Egyptian prospectors were familiar of a miner's lamp to provide illumination in the with .34 shafts: "living in darkness ... they carry lamps fit­ Although the exact time when the Egyptians ted to their foreheads."44 According to Diodorus, 1995 Mining History Journal 85

the miners labored at the ore face, hacking away estimated three to four miles of tunnels, shafts, at the quartz and country rock until "the stone and drifts. Modern scholars estimate that more falls in masses on the floor."45 The muckers, "the than one million tons of ores were hoisted from boys who have not yet reached manhood/ trans­ the Wadi Hamish mine near modern Aswan.53 ported the gold-bearing ores to the mine head The main shaft of a mine at Eshuranib consisted of where it was sorted for milling by "men who are a "narrow oblique chasm," which extended down more than thirty years old. "46 to perhaps the 180-foot level.54 Again, as was the Little is known of the actual tools used by case at Fatiri, the miners at Eshuranib proved Egypt's hardrock miners.47 While Diodorus does adept at driving drifts in pursuit of gold veins.SS mention iron pickaxes, his narrative contains no Once the ore had been sorted at the mine mention of additional mining implements. head, the matrix was conveyed to a nearby mill­ Egyptian quarrymen commonly worked with site. As in the mines, slaves operated the granite, basalt, and occasionally, quartzite. Two of Egyptian quartz mills. Men too old to labor at the the most common methods employed in the quar­ mines and women slaves worked to concentrate ries were wedging and "pounding with balls of and refine the quartz ores.56 dolerite."48 At the millsite, ores were crushed and sized The composition of the chisels used to cut and then transported to the stamps. According to wedge slots has been subject to great debate, with Diodorus, the stamp batteries consisted of a series some students of the subject asserting that of stone mortars and iron pestles which crushed Egyptian metallurgists "possessed the now lost the quartz "to the size of a lentil."57 Translators art of giving copper a very high temper."49 Three disagree in their interpretation of Diodorus's ter­ forms of hammers are known to have been used minology. Alex Del Mar, Mining Commissioner to by Egyptian laborers. The first resembled nothing the U.S. Monetary Commission and historian, mme than a sculptor's mallet; the second, a simple interprets the passage to read that the ore was club-shaped piece of , was apparently the reduced to the size of a "bean."58 Sutherland, on equivalent of a single-jack; and the third was a the other hand, maintains that the stamps crushed heavy two-handle maut similar to the modern the ore "as fine as wheat flour."59 double jack. Clarke and Engelback, scholars who Perhaps the oldest machinery employed in the have studied Egyptian construction methods, Egyptian quartz mills was the mortar and pestle. assert that the club-shaped hammer was used As early as 30,000 years ago, Cro-Magnon artists with chisels and perhaps to drive wedges.SO employed the mortar and pestle to prepare the A second method of quarrying granite was pigments used to create their magnificent "cave­ known as "pounding." Pounding involved, "the art."60 In its basic design and function, this systematic bruising away of the rock by means of ancient machine has changed little. Prehistoric balls of a ... stone called dolerite.Sl These balls, artists, Egyptian millworkers, and modern assay­ some of which weighed twelve pounds, were held ers all have used the mortar and pestle. in the hand or sometimes mounted on a shaft.52 After the stamps had crushed the gold-bear­ Whether constructed of stone, copper, iron, or ing ore, the resulting aggregate, a mixture of , one can only assume that the tools and tech­ quartz and gold, was finely ground. The nology employed by ancient Egyptian quarrymen grinding department consisted of a series of to carve the vast blocks of basalt used to construct hand-operated mills arranged in rows where the the Great Pyramid at Giza, were used in the mines material was "ground until reduced into a fine of the Coptos-Berenice and Bisharee districts. powder."61 The hand-operated mills, fashioned Because of the abundance of labor and their from granite, were very similar to the grind stones knowledge of mining techniques, Egypt's mining used to mill grain.62 Based on archaeological engineers successfully developed extensive finds and surviving illustrations, it is clear that underground operations. One ancient mining these mills consisted of nothing more than a flat, complex in the northern region of the Coptos­ hard surface upon which the grain or, in this Berenice district, near modern Fatiri, contained an instance, aggregate was pulverized with a hand- 86 The Pharaohs' Gold

held grindstone.63 extensive underground mining operations. After being milled, the sand was run through Indeed, with the exception of slave labor, the washers and further concentrated. The concen­ descriptions of metallurgic processes in the trator consisted of a broad inclined table where ancient Egyptian district of Coptos-Berenice var­ the sand was washed "until all the earthy matter . ied little from the accounts of hardrock mining on .. [was] separated . . . [leaving] the heavier parti­ the or at Witwatersrand thousands cles behind."64 This process, in which the fines of years later in the nineteenth century. were doused with water and rubbed by hand, was Modern students of milling technology readi­ repeated frequently. In the final phase of concen­ ly recognize the importance of the basic processes tration millworkers used sponges to absorb the employed in the Egyptian quartz mill as remaining impurities, "until pure gold dust [was] described above. The technological evolution left."65 from manually operated mortars and pestles to To further refine their gold, Egypt's metallur­ the implementation of batteries of stamps in a gists implemented the process of . The modern quartz mill seems quite logical. Egyptian concentrates were weighed, measured, and mixed washing tables were the predecessors to the with a "fixed proportion of lead, salt, a Jittle , Wilfley tables, jigs, settlers, separators, and other and barley bran." This mixture was poured into components employed in modern concentrators. sealed ''earthen crucibles" and roasted in a furnace The major difference between an ancient Egyptian "for five successive days and nights."66 "The cru­ quartz mill and a present-day is the cibles," Diodorus recounts, "are then opened, and absence of such modern innovations as power nothing is found in them, but the pure gold, a lit­ stamps, roasters, and amalgamation pans. tle diminished in quantity."67 From Coptos-Berenice to California, from Tests of gold artifacts made throughout Bisharee to the Transvaal, the struggle of gold Egypt's dynastic periods reveal that these milling miners and millworkers to wrest from the earth its and refining processes produced 72.1 to 96.4 per­ golden bounty is as old, or older, than civilization cent pure gold.68 Analysis of one sample of itself. Each generation of miners and millworkers Egyptian gold, dating from about 500 B.C., indi­ owes a debt to their predecessors, and throughout cates that the artifact was fabricated from 99.8 per­ history miners have used inherited technologies, cent pure gold.69 While these analyses prove that technologies firmly rooted in humanity's ancient Egyptian gold varied greatly in purity, the reasons past. for this disparity are not clear. Inefficiencies in the milling and refining process, deliberate debase­ Hal Neumann is currently employed at Heritage ment of the bullion, or alloying by goldsmiths as Research Center, Ltd., a public history firm head­ part of the fabrication process are possible expla­ quartered in Missoula. Montana. His academic nations. and professional studies have included examina­ Several ancient murals portray the smelting tions of the relationships between society, govern­ processes employed by the Egyptian metallur­ ment, and natural resources development. gists. The basic design of the primitive smelters was that of the forge-type furnaces on which sat the clay crucibles in which raw gold was reduced to bullion.70 One illustration depicts the smelter­ man squatting near the furnace, using a blow pipe to fan the coals of the furnace.71 This method of gold smelting was commonly used in Egypt as early as 4,000 B.C.72 Undoubtedly, the Egyptians employed sophisticated technology to mine, mill, and refine gold. Without the use of explosives or mecha­ nized equipment these miners capably conducted 1995 Mining History Journal 87

ARABIA

Ethiopia

Egypt and the Middle East Source: C. H. V. Sutherland, Gold: Its Beauty, Power, and Allure (New York: McGraw-Hill Book Cmnpany, Inc., 1959). 88 The Pharaohs' Gold

0

6 7 10 g 12 \~ 15 16 h

Egtjptiall Goldsmitl1s. Figttres 1 ami 2: fabrication ofgold ornaments. Figttre 3: use of blow pipe to melt gold bullion. Figures 4 and 5: weighing and record keeping ofgold ornaments. Figttres 6, 7, 8, and 9: washing gold. Figure 10: concentrator overseer. Figures 12, 14, a11d 15: may rep­ resent operation of a washing table. Figure 16: operation of hand-operated grind stone. Source: J. Gardner. Wilkinson, A Popular Account of the Ancient Egyptians, vol. 2, revised (New York: Crescent Books, 1988/1853/1836).

Egyptia11 sme,lterman using blow pipe. Source: J. Gardner. Wilkinson, A Popular Account of the Ancient Egyptians, vol. 2, revised (New York: Crescent Books, 1988/1853/1836). 1995 Mining History Journal 89

ENDN OTES 24Jbid., 2, 141-142. 25Wilkinson, vol. 2, 14-3; Del Mar, 42. 2 1William S. Greever, The Bonanza West: The Story of the Western 6Pliny: Natural History: Volum e TX, Libri XXXlll-XXXV, Mining Frontie1~ 1848-1900 (Norman: University of Oklahoma revised, trans. H. Rackham (Cambridge, Massachusetts: Press, 1963), 53. Harvard University Press, 1952), 53-54. 2fbid. 27Jbid. 3Jbid. 28Sutherland, 32. 4~'erhaps one of_ ~e most illustrative accounts of the opera­ 29Aitchison, vol. 1, 168. tions of the ongms of modern stamp mills is found in 30fuid. Hoover's translation of Agricola's sixteenth century primer 31Jbid. on mining, milling, and metallurgy. Agricola's treatise, first 32Sutherland, 27. published in 1556, examines in detail the overall evolution of 33Jbid. the mining sciences. , , 34Wiikinson, vol. 2, 139. Translated from the First Latin Edition of 1556, with Biographical 35Aitchison, vol. 1, 168; Wilkinson, vol. 2, 136-149; Hodges, lf!lroduction, Annotations and Appendices upon the Development 61-62. of Mining Methods, Metallurgical Processes, GeoiOg1J, Mineralog1; 36Sutherland, 29-30; Wilkinson, vol. 2, 143. & Mining Law from the Eal'iiest Times to the 16th Century, trans. 37lbid. Herbert Clark Hoover and Lou Henry Hoover (New York: 38Wilkinson, val. 2, 144. Dover Publications, Inc., 1950). Smith and Gnudi's transla­ 39Sutherland, 30. tion of Biringuccio's work on meta.llurgy also merits the read­ 40lbid. 41fuid. er's ~tten_tion. The Prionfechnia of Vannoccio Biringrtccio: The 42lbid. Cla~stc Stxteenfh-C~nhtnj Treatise on Metals and Metallurgy, revtsed, trans. Cynl Stanley Smith and Martha Teach Gnudi 43fuid. (New York: Dover Publications, Inc., 1990/1959/1943). For a 44Jbid. comprehensive review of early milling practices in North 45Wilkinson, 144. America see Otis E. Young, Jr., Western Mining: An lnfonnal 46Sutherland, 30. 47 Acco u~t _of Preciotts-Met~ls Prospecting, Placering, Lode Mining, For a discussion of Egyptian quarrying methods and gen­ and Mtllmg on tlte Amerzcan Frontier from Spanish Times to 1893 eral engineering technology see: Somers Clarke and R. (Norman: University of Oklahoma Press, 1970). Engelback, Ancient Egyptian Construction and Architecture SGreever, 53-54. (New York: Dover Publications, Inc., 1930/1990) and L. 6). Gardner Wilkinson, A Popular Account of the Ancient Sprague de Camp, The Ancient Engineers (New York: Egyptians, vol. 2, revised (New York: Crescent Books, Doubleday & Company, 1960; reprint, Ballentine Books, 1988/1853/1836), 136-149; Henry Hodges, Technology in the 1974). Ancient Wol'ld (New York: Barnes & Noble Books, 1992), 19, 48Clarke and Engelback, 23-25. 4 61-62; Leslie Aitchison, A History of Metals, vol. 1 (London: 9Ibid. MacDonald & Evans. Ltd .. 1960), 165. 50Jbid. ?Hodges, 91-92. 51 Clark and Engelback, 26-27; de Camp, 34. 52Jbid. 8]. M. Roberts, The Pelican History of the World, revised (New York: Viking Penguin, Jnc., 1980), 81-83. 53Sutherland, 30-31. 9Wilkinson, vol. 2, 139. 54Wilkinson, vol. 2, 142. 10Jennifer Marx, The Magic of Gold (Garden Oty, New York: 55Jbid. Doubleday & Company, Inc., 1978), 49; C. H. V. Sutherland, 56Jbid., 144. Gold: Its Bemtty, Power, and Allure (New York: McGraw-Hill 57Jbid. Book Company, Inc., 1959), 26, 33. 580el Mar, 42. llWiJkinson, vol. 2, 147. 59Sutherland, 30. 12Sutherland, 31. 60Hodges, 26; John E. Pfeiffer, Tlte Emergence of Man (New l3Wilkinson, vol. 2, 149; Sutherland, 31. York: Harper & Row, Publishers, 1969), 220-229. 14Wilkinson, vol. 2, 149. 61WiJkinson, vol. 2, 144; Sutherland, 30. 15Marx, 49 62Wilkinson, vol. 2, 142; Sutherland, 30; Del Mar, 42 16WiJkinson, vol. 2, 139. 63Wilkinson, vol. 2, 142; Hodges, 34-35. 17Sutherland, 26; Alexander Del Mar, A His ton; of tlte Precious 64Wilkinson, vol. 2, 144; Sutherland, 30. Metals: From tlte Earliest Times fa the Present, revised (New 65Jbid. York: Cambridge Encyclopedia Company, 1902), 33. 66Wilkinson, val. 2, 145; Sutherland, 30, 32-33. 18Aitchison. vol. 1, 168; Sutherland, 41. 67Jbid. 19Sutherland, 27. 68A itchison, vol. 1, 166-167. 20Marx, 49. 69Jbid. 21Sutherland, 26. 70WiJkinson, vol. 2. 137. 139. 22Sutherland, 26; Del Mar, 37. 71Ibid. 23WiJkinson, vol. 2, 141. n Hodges, 62-63. 90 The Pharaohs' Gold

BIBLIOGRAPHY

Agricola, Georgius. De Re Metallica, Translated from the First Latin Edition of 1556, with Biographical Introduction, Annotations and Appendices upon the Development of Mining Methods, Metallurgical Processes, Geology, MineralogJJ & Mining Law from the Earliest Times to the 16th Century, trans. Herbert Clark Hoover and Lou Henry Hoover (New York: Dover Publications, Inc., 1950). Aitchison, Leslie. A History of Metals, vol. 1 (London: MacDonald & Evans, Ltd., 1960). The Priontechnia of Vannoccio Biringuccio: The Classic Sixteenth­ Century Treatise on Metals and Metallurgy, revised, trans. Cyril Stanley Smith and Martha Teach Gnudi (New York: Dover Publications, Inc., 1990/1959 /1943). Clarke, Somers and R. Engelback. Ancient Egyptian Construction and Architecture (New York: Dover Publications, Inc., 1930/1990). de Camp, L. Sprague. The Ancient Engineers (New York: Doubleday & Company, 1960; reprint, Ballentine Books, 1974) Del Mar, Alexander. A His ton; of the Precious Metals: From the Earliest Times to the Present, revised (New York: Cambridge Encyclopedia Company, 1902). Greever, William S. The Bonanza West: The Story of the Western Mining Frontier, 1848-1900 (Norman: University of Oklahoma Press, 1963). Hodges, Henry. Technology in the Ancient World (New York: Barnes & Noble Books, 1992). Marx, Jennifer. The Magic of Gold (Garden City, New York: Doubleday & Company, Inc., 1978). Pfeiffer, John E. The Emergence of Man (New York: Harper & Row, Publishers, 1969). Pliny: Natural History: Volume IX, Libri XXXlll-XXXV, revised. trans. H. Rackham (Cambridge, Massachusetts: Harvard University Press, 1952). Roberts, J. M. The Pelican History of the World, revised (New York: Viking Penguin, Inc., 1980). Sutherland, C. H. V. Gold: Its Beauty, Powe1~ and Allure (New York: McGraw-Hill Book Company, Inc., 1959) Wilkinson, J. Gardner. A Popular Account of the Ancient EgJjptians, vol. 2, revised (New York: Crescent Books, 1988/1853/1836). Young, Otis E. Jr. Western Mining: An Informal Account of Precious-Metals Prospecting, Pl