CRRM DRG/W map cache

Working on a big cache of maps for the CRRM. Not posted yet, but here's a sample that have been digitized:

Horiz Vert Aspect Description Date
46.250 30.000 1.54 DR&GW Ernest W. Robart map of narrow gauge system in Colorado & New Mexico. One sheet 1968-00-00
37.375 45.625 0.82 CBQ B&MN landform map of the Missouri River from Omaha, Nebraska, to Rock Bluff. One sheet, P-4005-06 1879-07-00
42.000 66.000 0.64 D&RGW map of Castle Valley, Utah, coal mines, undated crop of a larger map. One sheet,
17.000 14.125 1.20 D&RGW system map, undated. One sheet
10.750 9.500 1.13 D&RGW map of routes of passenger travel from the Missouri River affected by "Ogden Gateway" notice submitted as Protestants' Exhibit No. 1, undated. One sheet
7.950 10.500 0.76 D&RGW list of system map corrections. Seven sheets compended into one PDF 1943-01-25
23.000 19.000 1.21 D&RGW system map showing corrections per piece 3. One sheet 1942-09-00
24.000 18.000 1.33 D&RGW resource map. One sheet 1955-11-01
16.750 10.000 1.68 D&RGW system map with connections, undated. One sheet
17.000 10.375 1.64 D&RGW Hugh T. Glen system map with connections. One sheet 1933-00-00
20.250 11.625 1.74 D&RGW Daniel-Smith Company system maps with connections. Two sheets, one showing alts 1952-06-01
16.625 11.750 1.41 D&RGW system map with connections, undated. One sheet of three same
21.500 18.000 1.19 D&RGW system map showing valuation sections & abandoned sub-sections. One sheets with two appended notes 1944-07-19
37.500 18.750 2.00 Daniel-Smith Company locational map of the Denver, Colorado, retail business district with L.F. Eppich imprint. One sheet 1939-11-00
40.875 20.250 2.02 Daniel-Smith Company locational map of the Denver, Colorado, retail business district with The Denver National Company imprint, undated. One sheet
24.375 20.000 1.22 D&RGW map of system showing gauges, mainlines & branches, undated. One sheet
23.125 15.625 1.48 D&RG map of ROW & track for Leadville, Colorado, in valuation section 7, showing sub-sections. One sheet + xerographic copy
16.750 10.000 1.68 D&RGW system map with connections, undated. One sheet, produced from Folder 1, piece 6
15.250 8.250 1.85 WP D&RGW lithographic color system map. One sheet 1924-02-14
21.000 17.000 1.24 D&RGW system map, undated. One sheet + one same
24.250 20.250 1.20 D&RGW system map showing divisions. One sheet 1931-04-16
24.250 20.250 1.20 D&RGW system map showing engine terminals & helper stations. One sheet 1923-05-00
24.250 20.250 1.20 D&RGW system map showing rail weight & ballast. One sheet 1922-01-01
24.250 20.250 1.20 D&RG system map showing rail weight. One sheet 1916-01-01