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k； but that might pitch the car out of control and wrap him around the ledge。
In desperation； he jammed on the emergency brake。 There was a sudden lunge and a high squealing sound； and the smell of burning steel filled the car。 The dog sprawled forward； yelping in surprise。 Dimly； he was aware of a party of white…haired golfers on a nearby green； swiveling their necks and staring； open…mouthed； as he flew by。 Somebody jumped out of a golf cart and began to sprint toward the clubhouse。
The wheel bucked in Skip's hands and he realized he was losing control。 The basalt ledge yawned ahead； no more than a few seconds away。 He turned the car sharply to the left。 It twisted beneath him； turning wide； then swinging around in one plete revolution； then another。 Skip was shouting now but he couldn't hear himself over the squealing of the tires。 In a dense pall of burning rubber； the car sheered off the road； still spinning； the tires catching first gravel； then grass。 There was a tremendous lurch and the car came to a violent stop。 A thick wash of cream…colored sand settled on the dashboard and hood。
Skip sat motionless； fingers glued to the dead wheel。 The squeal of tires was replaced by the tick of cooling metal。 Dimly； he was aware that he had landed in a bunker； canted sharply to one side。 Black； foul…smelling； slobbering lips and tongue hovered before his eyes as Teddy Bear frantically licked at his face。
The sounds of pattering feet； quick worried conversation； then a rap on the windshield。 〃Sonny？〃 came the concerned voice。 〃Hey； son； you okay？〃
If Skip heard； he gave no sign。 Instead； he removed his trembling hands from the wheel； grasped the two ends of the seat belt； and slowly fastened them around his waist。
29
THE REST OF THE FIRST FULL DAY OF WORK AT Quivira went exceptionally well。 The core members of the expedition set to their tasks with a professionalism that both impressed and heartened Nora。 Black； in particular； had settled down and was quickly confirming his reputation as a top…notch field…worker。 With remarkable speed； Holroyd had assembled a wireless paging network； designed around a central transmitter； to allow the members of the group to municate with each other from anywhere within the site。 The fascination and allure of Quivira worked a special magic on professional and amateur alike。 Around the campfire that evening； again and again； conversation would spontaneously cease； and； as if with a single mind； all eyes would be irresistibly drawn up the dark walls of the canyon； in the direction of the invisible hollow where the city was concealed。
As the following morning drew to a close； early summer heat had settled in the canyon below； but halfway up the cliff face； beneath the shadow of the rock； the city itself remained cool。 Holroyd had ascended the ladder； checked in with the Institute； and descended without incident； returning to his task of scanning the roomblocks with the proton magnetometer。 Once that was done； he would use a handheld remote for the GPS system to survey the major points of the site。
Nora sat on the retaining wall at the front of the city； near the rope ladder leading down to the valley floor。 Bonarotti had sent up their sack lunches using the pulley system； and Nora opened hers with anticipation。 Inside was a wedge of Port du Salut cheese； four generous slices of prosciutto di Parma； and a marvelously thick and dense hunk of bread that Bonarotti had baked in his Dutch oven that morning after breakfast。 She ate with little ceremony； washing the meal down with a swig from her canteen； and then rose to her feet。 As leader； she was putting together the data for a field specimen catalogue； and it was time to check on the progress of the others。
She walked beneath the shadows of the ancient adobe walls to the far end of the ruin's front plaza。 Here； near the foot of the Planetarium； Black and Smithback were working in the city's great midden heap： a dusty； oversized mound of dirt； broken animal bones； charcoal； and potsherds。 As she approached； she could see Smithback's head pop up from a cut at the far end； face dirty； cowlick bobbing with displeasure。 She smiled despite herself at the sight。 Though she'd never give him the pleasure of knowing it； she'd begun dipping in to the book he had given her。 And； she had to admit； it was a fascinating； frightening story； despite the near…miraculous way Smithback had of taking part in almost every important or heroic event he described。
Black's voice came echoing off the cave wall。 〃Bill； haven't you finished grid F…one yet？〃
〃Why don't you F one yourself；〃 Smithback muttered in return。
Black came around the mound in high spirits； carrying a trowel in one hand and a whiskbroom in the other。 〃Nora；〃 he said； with a smile； 〃this will interest you。 I don't believe there's been a clearer cultural sequence since Kidder excavated the mound at Pecos。 And that's just from the control pit we dug yesterday； now we're pleting the first baulks of the test trench。〃
〃The man says 'we。'〃 Smithback leaned on his shovel； and held out a trembling hand to Nora。 〃For the love of Jaysus； can ye not spare a wee drop for a poor dying sinner？〃
Nora handed him her canteen； and he drank deeply。 〃That man is a sadist；〃 he said； wiping his mouth。 〃I'd have been better off building the pyramids。 I want a transfer。〃
〃When you signed on； you knew you were going to be a digger；〃 Nora said； retrieving the canteen。 〃What better way to get your hands dirty； literally and figuratively？ Besides； I'll bet it isn't the first time you've done some muckraking。〃
〃Et tu； Brute？〃 Smithback sighed。
〃e and see what we've done；〃 said Black； guiding Nora to a small； precise cut in the side of the mound。
〃This is the control pit？〃 Nora asked。
〃Yes；〃 Black nodded。 〃Beautiful soil profile； don't you think？〃
〃Perfection；〃 Nora replied。 She'd never seen such neat work or such potentially rich results。 She could see where the two men had cut through the midden； exposing dozens of thin layers of brown； gray； and black soil； revealing how the trash mound had grown over time。 The stratified layers had each been labeled with tiny； numbered flags； and even smaller flags marked spots where artifacts had been removed。 On the ground beside the cut were dozens of Baggies and glass tubes； carefully aligned； each with its own artifact； seed； bone； or lump of charcoal。 Nearby； Nora could see that Black had set up a portable water flotation lab and stereozoom microscope for separating pollen； small seeds； and human hair from the detritus。 Next to it was a small paper chromatography setup for analyzing solubles。 It was a highly professional job； executed with remarkable assurance and speed。
〃It's a textbook sequence；〃 said Black。 〃At the top is Pueblo III； where we see corrugated and some red ware。 Under that is Pueblo II。 The sequence begins abruptly at about A。D。 950。〃
〃The same time the Anasazi started building Chaco Canyon；〃 Nora said。
〃Correct。 Below this layer〃…he pointed to a layer of light brown dirt…〃is sterile soil。〃
〃Meaning the city was built all at once；〃 Nora said。
〃Exactly。 And take a look at this。〃 Black opened a Ziploc bag and gently slid three potsherds onto a nearby piece of felt。 They glinted dully in the noon sun。
Nora drew in her breath sharply。 〃Black…on…yellow micaceous；〃 she murmured。 〃How beautiful。〃
Black raised an eyebrow。 〃The rarest of the rare。 So you've seen the type before？〃
〃Once； on my Rio Puerco dig。 It was very weathered； of course； nobody's ever found an intact pot。〃 It was a testament to the richness of the site that Black had found three such sherds in just one day's digging。
〃I'd never actually seen a piece before；〃 Black said。 〃It's amazing stuff。 Has anybody ever dated it？〃
〃No。 Only two dozen sherds have ever been found； and they've all been too isolated。 Maybe you'll find enough here for the job。〃
〃Maybe；〃 Black replied； returning the fragments to the plastic bag with rubber…tipped tweezers。 〃Now look at this。〃 He squatted beside the soil profile and pointed his trowel tip at a series of alternating dark and light bands。 Each was littered with dis