Alan H. Yorkdale


Roles


Masonry Magazine October 1978 Page. 13
October 1978

Coming Events

WE'VE GOT THE EDGE
1978

November 8. ASCE Construction Conference, Iowa State University of Science and Technology. Contact: Stanley Ring. CE/Conference Coordinator, Iowa State University Engineering Extension, 110 Mar

Masonry Magazine September 1978 Page. 12
September 1978

Coming
Events

1978

September 25-29. Furnaces, Refractories, Heat Treatment & Fuel Economy Exhibition, National Exhibition Centre, Birmingham, England. Contact: British Information Services, 845-3rd Ave., New York, N.Y. 10022

Masonry Magazine September 1977 Page. 19
September 1977

Mason Contractor News

# Rockford Contractor Donald Larson Dies

Donald F. Larson, president of the Rockford (III.) mason contracting firm of Donald F. Larson & Sons, Inc., died on July 24 in Rockford Memorial Hospital after a two-week il

Masonry Magazine December 1976 Page. 36
December 1976

Liteweight....
Easy to Install
NATURAL
LAVA STONE
The Volcanic Heritage
THE STONE CENTER
3200 Brannon Ave. St. Louis, MO 63139
a/c 314 771-1000
Also Turquoise Coral Blue Diamond Quartz
and 20 Other Stones From Our Own

Masonry Magazine October 1976 Page. 15
October 1976

Mason Contractor News...

COMING SOON
News of MCAA's Group Accidental Death & Dismemberment Insurance Program will be in the mail to you shortly. Watch for it, then take time to decide which of your key officers and employees should be enroll

Masonry Magazine December 1975 Page. 22
December 1975

Seminars Promote Masonry In Chicago

In Chicago, the cooperation of all aspects of the masonry industry has resulted in successful promotion programs that cover the entire Metropolitan area. Their most recent project, Architectural and Engineerin

Masonry Magazine February 1975 Page. 12
February 1975

Books...

"Insurance for Contractors" by Walter T. Derk. 143 pp. Single copies $5.00; quantity prices available on request. Fred S. James & Co., 230 W. Monroe St., Chicago, III. 60606.

This authoritative work by Walter T. Derk, vice pres

Masonry Magazine December 1974 Page. 36
December 1974

Chicago Hosts Masonry Design Seminar

"We have yet to see a building that is consciously designed to conserve energy that costs more to construct." This striking statement was delivered by Walter A. Meisen, assistant commissioner of Public Buildi

Masonry Magazine August 1974 Page. 11
August 1974

Donald R. Bidwell, (left), Past-Chairman of IMI, congratulates David B. "Mickey" Soloff, Jr., as the new Chairman. Soloff, Immediate Past-President of MCAA, holds a gold tie-tack bearing the IMI emblem which he presented to Bidwell.

IMI Holds A

Masonry Magazine August 1974 Page. 12
August 1974



Masonry's qualities and economies in regard to energy conservation were discussed by (from left) Alan Yorkdale, P.E., Director of Engineering, Brick Institute of America: George A. Miller, IMI Secretary-Treasurer, and Henry Toennies, P.E., Vice

Masonry Magazine May 1974 Page. 11
May 1974

Mason Contractor News

# MMI Holds Masonry Energy Crisis Seminar
Pictured at the speakers' table during the Minnesota Masonry Institute seminar on the masonry energy crisis are (from left) Clarence Hoekstra, vice president-sales, Ochs Brick &

Masonry Magazine October 1973 Page. 26
October 1973

a complete line
of heaters meeting
OSHA requirements

Oil fired heaters from 90,000 BTU to 2,000,000 BTU meet OSHA requirements.

LP-Gas heaters with UL approval meet OSHA requirements. If your local dealer does not have Aeroil OS

Masonry Magazine April 1972 Page. 6
April 1972

NEW!

STONE-LOK™

The most practical and versatile system to tie stone veneer to a back-up wall.

Engaging in an informal "rap" session during a time-out at the seminar are (left to right) Alan H. Yorkdale, seminar speaker; Eugene

Masonry Magazine April 1972 Page. 7
April 1972

LOADBEARING MASONRY SEMINAR

Unusually heavy turnout of building design professionals taxed the facilities at the Chicago Marriott Motor Hotel.

Standing room only at IMI-sponsored conference for Chicago area architects, engineers

Masonry Magazine April 1972 Page. 8
April 1972

Loadbearing Masonry Seminar

Wall thicknesses in most of these structures vary from 12" to 15" at the base, tapering to 6" to 8" in upper walls. Toennies compared this with the historic 16-story Monadnock Building in Chicago-completed in 1891 and

Masonry Magazine October 1970 Page. 22
October 1970

Oregon Masonry Guild
Hosts Building Officials
Architects, engineers, building officials, mason contractors and out of state special research masonry specialists shared a luncheon seminar recently in Portland as guests of the Oregon Masonry Guild.