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When: 03/07/2018
Where: TONY CHENG’S RESTAURANT - Crystal Banquet Hall
619 H Street, N.W.
Washington, District of Columbia  20001
United States
Contact: DCALS Event Manager

Online registration is closed.
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Every land surveyor knows the lore of USC&GS, GLO and USGS - legendary organizations that measured our continent. But once there was another major US Government surveying agency - almost forgotten today - called the United States Engineering Department. Like those others, ‘U.S.E.D.’ operated from coast to coast. (DC’s old Public Buildings & Public Parks - whose ‘PB&PP’ disks survive – was part of it.) Despite little recognition, US Engineering Department handled massive Federal undertakings. In the early 1900s it was U.S.E.D. – not the famous others - who laid out miles of government installations that still exist along the Anacostia River . . . DC Village, Blue Plains, NRL, Bolling Field, Naval Air Station, Anacostia Park and more. They established high-order, large-area control for many regions across the country. Their original Washington triangulation is shown on maps at DC Surveyors Office. And NGS lists the points. But can those old monuments possibly still be there? Yes - and they check! In an amazing 3-year project for the US Government – spanning the entire realm of surveying from shovels to satellites – our guest speaker solved them. Please join us Wednesday March 7.

This talk presents surveying science at its highest level. Everyone will find it enlightening. DCALS will award Certificates for 1 CPC - equivalent to 1 PDH or 1 CE-Unit Credit Hour.



Licensed in three states, professional land surveyor JOE ALLEGRA of Thrasher Group is a geo-spatial expert and long-time DCALS member. He’s been surveying in DC for 30 years. Between 2013 and 2016 he prepared a full boundary retracement of all Anacostia River facilities from Blue Plains to Frederick Douglass Bridge, integrating data and control from USED, DCSO, DC-OCTO, NGS and others. The project demanded extensive research, recovery of lost monuments, GNSS observations, field triangulation, azimuth sights to Masonic Temple in Alexandria, Lee’s Arlington Mansion and Washington Monument – but the key was U.S.E.D.



Please show up hungry!  You’ll receive ALL of the following - served “Family-Style” . . . 

Soup of the Day                        Shredded Chicken with Pepper             Young Chow Fried Rice
Fried Meat Dumplings                    (in Black Bean Sauce)                        Fortune Cookies
Crispy Orange Beef                   Double-Cooked Pork                             Sliced Oranges for Dessert
Double Seafood Delight --         Mixed Vegetables                                  Hot Tea
  (with Shrimp & Scallops)



TONY CHENG’S RESTAURANT  [ Phone 202-371-8669 ] is located on H Street NW between 6th and 7th Streets. Take Metro to Gallery Place Chinatown Station. Metro’s north escalator brings you out across H Street from Tony Cheng’s Restaurant. Our meeting is on the Third Floor.

Limited street parking is available (metered,) and commercial parking lots are nearby. Try METRO!


 Meeting Agenda
6:00pm - 7:00pm  Social Hour (cash bar)                  
7:00pm - 8:00pm  Dinner and Association Business
8:00pm - 9:00pm  Guest Speaker and Presentation



To Register for the Wednesday March 7th DCALS meeting at Tony Cheng’s click the "REGISTER" button at the top of this page.

We’ll see you there!

If you register before midnight 3/04/2018, you will receive the Early Bird Discount of $45 per person.
Registration on or after 3/05/2018 will cost $55 per personThis includes registration at the door. 


         You can make an on-line payment through our secure website by one of the following two methods:

  • Credit Card
  • Check - choose the ACH/E-Check (US banks only) radio button
Contact DCALS at for questions and cancellations.
NOTE: There is a $25 cancellation fee.