...ted with discretionary powers Lee's March of invasion checked, 57. preparations for battle cavalry battle at Hanover, 58. the hostile armies concentrating at Gettysburg opening of the contest at Gettysburg , 59. death of General Reynolds, 60. battle of Seminary Ridge, 61. defeat of the Nationals, 62. preparations for renewing the struggle, 63. position of the opposing armies at Gettysburg, 64. per...