None
Sounding 330 Land Monuments. Longitude and Time 669, 642 Lost Comers, Method of Locating 220 Lost Government Corner 817 Maps, Subdivional 811 Projection of 710-724 Map Projection. See Projection of Maps 710 Map Lettering 724 Plate II 726 Plate III 726 Plate V 890 Plate VI 891 See also Plates II, III, V, VI, VII. Map of Topographic Surveys 307, 311, 463 Magnetic Declination: Rate of Change 26 Mean Velocity of Water Currents 355"357 Meander Lines, Extension of, in Boundaries 192 Men's Steps, Length of 141 Mean Sea Level, Determination of, Elevation of 684, 708 Meridian Distances, Defined 229 Meridians, Convergence of 210, 723 Metallic Thermometer, Temperature Corrections 579 Metallic Tapes 13 Meridian Observation: By Observing on the Sun 98 Method of Least Squares 792 Miner's Inch 388 Mineral Surveyors, Instructions to 73q INDEX 907 Mining Surveying: paob Application for a Sur\'ey of Claim 751 Conflict in Claims 744 Court Maps 438 Definitions of Mining Terms 441 Exercises in 442 Mining Claims, U.S. Instructions for the Survey of 740 Adverse Surveys 409 Amended Surveys 409 Conditions Controlling Patent Survey 401 Field Notes 402 Field Work and Adjustments of Claim 400 Instrumental Work 398 Location of 392 Location Monuments , 743 Location Surveys 393 "Mill Sites , 409 Preparing the Plat 406 Preliminary Surveys 404 Preliminary Plat 405 Patent Surveying 397 Placer Claim 396, 408 Shape of Lode Claims 393 Shape of Tunnel Sites 397 Stations and Methods of Measuring 399 Title to 391 Underground Surveys: Carrying Azimuth, Wire and Plumb Line 426 Carrying the Meridian: By a Transit 420 By Plumb-lines 421 Single Shaft 423 Two Shafts 422 General Statement 410 Instruments 411 Mapping the Survey 43 1 Example 432 Properly Lines in 430 Side and Top Telescopes 416 Stations, How Located 418 To Intersect a Known Vein 437 Undeiground Connection 434 908 INDEX Mining Surveying: Underground Surveying: pagb Underground Levelling 430 Underground Traversing 427 Field Notes of .'. 429 Top Telescope 411 Surface Surveys 438 Surveying Boreholes 439 To Determine Dip and Strike of a Vein 441 References to 444 Miner's Inch 388 Missing Data, Method of Supplying, See under Land Surveying. Modulus of Electricity of Steel Tapes 576 Monuments: Authority of 181, 182 at Section Comers 214 in Triangulation 557 Lost 183 Manner of Setting 454 Number Necessary 45 2 Monuments, Value of an Existing 459 Nickel-Steel Tapes 573, 574 Night Signals, in Triangulation 556 Obliterated Corners, Definition of 221, 817 Odometer 143 Office Records 492 Ownership of Surveys 807 Optical Square 451 Original City Surveys: Requirements of 449 Subdivisional Work 541 Pantograph, Theory of 164 Use of 167 Parallax, How Removed 48 Parallel Rules 171 Parallel Ruler 171 Pedometer Described 140 Pivot Correction in Levelling 698 Plane of Reference, in Sounding 3^2 INDEX 909 Plane Table: pagb Adjustments of 121 Description of 119 Exercises with 1 28 Location by Resection ^ 125 Three-point Problem 125 Two-point Problem 1 26 Use with Stadia Measurements 128 Use of 122 Plaaimeter: Accuracy of lOo, 165 Polar, Length of Arm .». 152 Polar Planimeter 145 Rolling 155 Suspended 155 Polar, Theory of 147 Rolling, Theory of ^ 156 Use of 160 Polar, Zero Circumference 149 Planning of Cities: City Blocks and Lots, Size of 471 Examples of 468 Street Plan 467 Location of Site 467 References on 492, 493 Width of Streets 474 Plotting in Land Surveying 301-307 in Mining Surveying 431 in City Surveying 449 Polyconic Projection of Maps 716 Plats, to be Geometrically Consistent 451 Michigan Regulation Concerning Filing 813 riumb Line: Deviations of 530 Use in Chaining 11 Polaris, Table of Azimuths at Elongatbn 889 Precise Spirit Levelling: Adjustment of a Level Net 707 Adjustment of Coast Survey Dumpy Level 695 Allowable error in 696 Form of Field Notes of 703 Adjustment of Wye Type of Instrument 694 910 INDEX Precise Spirit Levellicfg: hage Bench-marks 705 Coast Survey Precise Level 688 Comparison with Other Types 688 Field Methods 701 Atmospheric Errors 701 Settlement Errors 701 Field Notes, form of 703 General Instruction U. S. Ranges and Range Poles in Sounding 238 Rating Curves of a River 374, 375 of a Current Meter 347 Records Ofiice, in City Work 492 Refraction: A Simple Way of Computing the Effect of 106 Abnormal Coefficients 547 Determination of 677 Efifect of -- 544 In Trigonometric Levelling 675 Latitude Coefficient of 105 Tables of Differential 665 Tables of 104 Relocating an Old Traverse 25 1 Repeating Instruments 592 Records of U. S. Land Surveys, Where Kept 829 Reduction to Centre 606 Refraction. See Trigonometric Levelling. Resurveys in Cities, What Included 445 City Standards of Length 462 in Monumented Cities 456 912 INDEX Resurveys in Cities, What Included: pagb in Non-monuroented Cities 457 Preservation of Lines 461 References on 493 Riparian Rights in Water Fronts 192, 734-736 River Slope 341 Rod Floats in Stream Measurement: Description of Method 360 Computation of Discharge 365 Advantages and Disadvantages 364 Subsurface Float , 360 Rod Levels 50 Rod Floats. See Stream Measurements. Scales 172 Triangular 173 Sea Level Datum: How Determined 337 Sections, How Subdivided 218, 830 Fractional 212 Sewer Surveys 489 Field Notes of 489 Sextant: Theory of 113 Description of iii Adjustments of 114 Use of 315 Exercises with 116 Shrinkage of Earthwork 524 Signals, Geodetic Night. See also Triangulation Signals 556 Sides, Computation of, in Triangulation 626 Simpson's Rule 259 Slide Rule. Pocket 173 Computations v.ith 176 Thatcher's 174 Slope Method of Stream Measurement 369 Sounding 324 The Lead 329 The Line 330 Sounding Pole 331 Soundings, Location of 324 INDEX 913 Solar Azimuth: paob Table of Errore in Azimuth io8 Solar Observation for the Meridian 98 Solar Attachment, Use of: To Determine the Meridian. 95 To Lay off the Co-latitude 96 How Oriented 96 Adjustments of Saegmuller Attachment 97 Described 91 Stadia Rods '. 286 Stadia Measurements, Accuracy of 313 Stadia Surveying. Su Topographic Surveying. Station Signals 548 Stretching Steel Tapes 568 Balance Used in 570 Pulley and Weight for 568 Straight Lines Run by Transit 86 Stream Measurement: Analytical Method of Rating Meter 35 2 Field Notes 355 Factors Controlling Accuracy 345 General Statement 344 Graphic Method of Rating Meter 35 2 Instruments Described 346 Price 347 Ellis 347 Haskell 347 Fteley 347 Rating the Meier 347 Field Notes of 35 1 Computations 368 Example of 370 How Made 364 From Bridge 364 From Cable 366 Measurements on Large Rivers 369 Velocity in Vertical Plane: Open Conditions 355 Frozen Conditions 357 Variation of Velocity in a Cross-section 354 General Conclusions 370 914 INDEX Stream Measurement: pagb Kutter's Formula 372 Miner's Inch 388 Methods of Measuring Velocity 346 Rod Floats: Advantages of 364 Disadvantages of 364 Rod Float Method: Computation of Discharge 363 Rod Floats: Sub-surface Floats 360 Method Described 360 Rating Curve of a River 374 Frozen and Open Condition 371; References on : General Hydraulics 388 Stream Gauging 389 Flow over Weirs.^ 389 Slope Method 369 Vertical Velocity Curves 358 Weir Method 6 General Description 376 Sharp-crested Weirs 377 Submerged Weirs 380 Values of N for 381 Table of Coefficients: Contracted Weirs 379 Suppressed Weirs 379 Use of Dams as Weirs 386 Advantages of 387 Weirs of Varying Section 381 Table )f Coefficient C (Bazin) 383 Table of Coefficient C (Cornell) 385 Stations, Height in Triangulation 543, 458 How Constructed 548 Marks in Triangulation 557 Station Marks 557 Stars for Time Determination 670 Steps, Length of Men's 141 Standard Parallels 205 How Run 198-201 Street Cnjss-sections 486 INDEX 915 PAGB Street, Width of 474 Street Grades 474 Maximum and Minimum 476 Vertical Curves in 476 Standards of Length in City Work -. 462 Spirit Level 33 Specifications for Engineer's Transit and Level 800 Submerged Floats j6o Surplus and Deficiency, Treatment of 193 Subdivision of Land: Examples for Practice 267 By a Line Running in a Given Direction 263 Example of the Above 264 Rule for Above Case 267 By a Line Starting at a Given Point 261 Rule Stated 263 Surveys, Ownership of ^. Targets, Examples of 551, 552 Heliotropes 553 Requisites of 551 Used in Levelling 51 Used in Lining with Transit 89 Tap)es: Exercises with 15 Tape, Steel: Common Sources of Error in Measurement 14 Common Mistakes in Reading Tapes 14 Varieties of 12 Use of Steel Tapes 13 Telescope: Cross-section of 68 Cross-wires 68 Eye-piece 68 Magnifying Power 69 Objective 67 Reticule 68 Temperature Correction of Steel Tapes 579 Thermometers, on Base Line Work 568 Time Stars, Tables of 670 Time, by Polaris Orientation Method 65 1 by Two-star Method 660 Conversion of 643 Definition of 640 Relation between 641 Three-point Problem, Four Solutions 122 Topographic Symbols 725 Topographic Methods, City Surveys 465 General Description of 463 Topographical Surveying: Adjustable Stadia Wires 276 Check Readings 294 Check on Azimuth 296 Contour Lines Explained 307 Principles of Sketching 308 INDEX 917 Topographical Surveying: paob Cost of Topographic Maps 320 Definition of 271 Field Work Described 289 Final Map 311 Example of 312 Field Notes Required 291 Sample of 299 Horizontal Control by Triangulation 290 Vertical Control 290 Interval Factor 276 Interval Table 278 Organization of Party 290 Plotting the Stadia Traverse 301 Plotting the Side Readings 303 Molitor*s Protractor 304 Reducing the Field Notes 296 References on 321 Stadia Measurements: Accuracy of 313 Effect of Refraction on 280 Formula for Inclined Sights 282 Design of Stadia Rod 286 Prevention of Systematic Errors 279 Table V Explained 283 Stadia Interval 274 Field Notes of 275 A Simple Way of Determining 278 Stadia Reduction Diagrams 297 Where Obtained 319 Stadia Traverse 291 Setting the Cross- wires 285 Theory of Stadia Measurements 273 Transit and Stadia Method 272 Topography Outlined 289 Transit and Stadia Method: Accuracy of Levels 316 Relation of Vertical Angle 317 St. Louis Levels 318 Townships, Subdivision of 207 Township Exteriors 205 Townships in Land Surveying 196 91S INDEX Transit, Engineer's: pagb Adjustment of 74, 598 Care of 90 Cross-section of 66 Description of 64 Exercises with 109 Eccentricity of Centers 80 Eccentricity of Verniers • 80 Transit in City Work: 447 in Geodetic Work 592 in Mining Work 309-10 in Topographic Work 800 Transit, Engineer's: Relative Importance of Adjustments 79 Specifications for 800 Use of Setting up Transit 83-85 ' To Lay off an Angle by Repetition 85 To Measure a Horizontal Angle 84 To Measure a Vertical Angle 87 To Measure an Angle by Repetition 84 To Prolong a Straight Line 86 To Run a Straight Line 85 To Run a Traverse 87 Transit Verniers 71 Traversing with Transit: Triangulation in City Surveys 463 Triangulation: Adjustment of 615 Equation of Conditions 610 Local or Station 4 61 1 Triangle .• 614 Adjustment of a Quadrilateral 615 Angle Equation Adjustment 615 Geometric Conditions 615 Side Equation Adjustment 617 Rigorous Adjustment 621 Example of 624 Altazimuth Instrument 5q^ Adjustment of the Theodolite 5^ Computing the Sides of Triangles 626 Example of 628 INDEX 919 Triangulation in City Surveys: Triangulation: pace Computing the Geodetic Position 630 The Direct Problem 630 Example of 633 The Inverse Problem 634 Example of 635 Classification of , 523 Primary 534 Secondary 534 Tertiary 534 Direction Instrument 594 Programme for 604 Reading the Circle 601 Direction of Invisible Stations 543 Filar Micrometer 599 Correction for Run 601 Reading the Circle 601 Triangulation Stations, How Constructed 548 Triangulation : Instruments for 592 Method Used in Primar}' Triangulation 624 Reduction to Centre 606 Example of 609 Repeating Instrument 592 Programme with 602 References on 636 Reconnoissance 541 How Made 541 Instrumental Outfit 542 Station Marks 557 Spherical Excess 613 Stations, Construction of 548 Strength of Figures 535 How Determined 536, 537 Distance Angles. Contracted Weirs 379 Submerged Weirs 380 Suppressed Weirs 379 Sharp-crested Weirs 377 References on 389 Wire Interval 274, : 76 %^^A^. '.^f J^^y^ M7i /^* '^ J ^^ c ^ s-r I i. 