Shared Solution

PID: BBBG55
Designation: 40TH PARALLEL MONUMENT
Stamping: TODD & WITHROW
Stability: Monument will probably hold position well
Setting: Large structures with deep foundations
Description: Mark is located in a bench next to the 40th Parallel Monument commemorating the 1859 Baseline survey by Todd and Withrow, the result of a public/private partnership involving the PLSC, City of Boulder, County Surveyor, local survey companies and the Boulder Arts Commision. The monument is located on the south side of Baseline Rd. east of Broadway. Mark is a Witness Point to the Township line 1N/1S. Note:Mark is located in a wide rock bench close to a bus stop with considerable foot traffic.
Observed: 2009-01-28T19:00:00Z more obs Latest
Source: OPUS - page5 0810.20
Close-up View
REF_FRAME:   NAD_83(CORS96) EPOCH:   2002.0000 SOURCE:   NAVD88 (Computed using GEOID03) UNITS:  m  SET PROFILE   DETAILS
LAT: 40° 0' 0.32485" ±  0.030   m
LON: -105° 15' 40.96495" ±   0.018   m
ELL HT: 1623.533 ±   0.051   m
X: -1288197.964 ±   0.029  m
Y: -4721360.213 ±   0.053  m
Z: 4079036.836 ±   0.010  m
ORTHO HT: 1639.230 ±  0.064   m
UTM  13 SPC  501(CO N )
NORTHING: 4427799.946m 378857.906m
EASTING: 477688.770m 934777.847m
CONVERGENCE: -0.16801229° 0.15418091°
POINT SCALE: 0.99960613 0.99996636
COMBINED FACTOR: 0.99935160 0.99971174
CONTRIBUTED BY
kernstberger
Flatirons Surveying
Horizon View
The numerical values for this position solution have satisfied the quality control criteria of the National Geodetic Survey. The contributor has verified that the information submitted is accurate and complete.