About this Dataset

Geodetic Control Points 2021

Control points are captured by land surveyors to create control for orthophotography. These points are captured with survey-grade equipment ensuring the highest accuracy in their location.

Horizontal Control Point: Surveyed horizontal geodetic control points that are used in the development of an analytical aerotriangulation solution.

Vertical Control Point: Surveyed vertical geodetic control points that are used in the development of an analytical aerotriangulation solution.
Organization: District of Columbia
Last updated: 2024-04-30T18:33:55.894029
Tags: dc, district-of-columbia, elevation, geodetic-control, location, octo, planimetrics, pmetric21, survey, washington-dc

Tables

Table 1

@usgov.district_of_columbia_geodetic_control_points_2021.table_1

13.84 kB
143 rows
10 columns

CREATE TABLE table_1 (
  "objectid" BIGINT,
  "gis_id" VARCHAR,
  "featurecode" BIGINT,
  "description" VARCHAR,
  "captureyear" TIMESTAMP,
  "captureaction" VARCHAR,
  "z" DOUBLE,
  "z_foot" DOUBLE,
  "x" DOUBLE,
  "y" DOUBLE
);