Add to ORKGBrief notes concerning 27 earthquakes recorded at the Des Moines Seismological Station during 1936. Also a brief description of the new photographic recorders recently installed which will greatly increase the sensitivity of the Des Moines instruments
An explanation of methods used to determine instrumentally the exact epicentre of an earthquake, als...
As part of a world-wide effort to create an international earthquake data bank, Caltech's seismology...
A knowledge of what happened in the past may allow us to speculate about activities of nature\u27s m...
Brief notes concerning 27 earthquakes recorded at the Des Moines Seismological Station during 1936. ...
A summary of shocks felt in Iowa during the last 125 years with brief notes concerning each. Seismic...
The Des Moines Seismograph Station started operation December 20, 1934, using a single component to ...
At present the beet-sugar industry is confined to a narrow strip near the northern boundary of the s...
The Plantersville meteorite fell on the afternoon of September 4, 1930, at a point three and one-hal...
A slight earthquake was felt distinctly by many persons at Iowa City, Iowa, on the afternoon of Apri...
The interpretation of seismograms presents numerous problems and offers unlimited opportunities in t...
RESIDENTS within an area of 50,000 to 75,000 square miles in Nebraska, Iowa, Missouri and Kansas wer...
A report of an investigation of underground water resources of several areas in Texas. Describes mod...
An explanation of methods used to determine instrumentally the exact epicentre of an earthquake, als...
As part of a world-wide effort to create an international earthquake data bank, Caltech's seismology...
A knowledge of what happened in the past may allow us to speculate about activities of nature\u27s m...
Brief notes concerning 27 earthquakes recorded at the Des Moines Seismological Station during 1936. ...
A summary of shocks felt in Iowa during the last 125 years with brief notes concerning each. Seismic...
The Des Moines Seismograph Station started operation December 20, 1934, using a single component to ...
At present the beet-sugar industry is confined to a narrow strip near the northern boundary of the s...
The Plantersville meteorite fell on the afternoon of September 4, 1930, at a point three and one-hal...
A slight earthquake was felt distinctly by many persons at Iowa City, Iowa, on the afternoon of Apri...
The interpretation of seismograms presents numerous problems and offers unlimited opportunities in t...
RESIDENTS within an area of 50,000 to 75,000 square miles in Nebraska, Iowa, Missouri and Kansas wer...
A report of an investigation of underground water resources of several areas in Texas. Describes mod...
An explanation of methods used to determine instrumentally the exact epicentre of an earthquake, als...
As part of a world-wide effort to create an international earthquake data bank, Caltech's seismology...
A knowledge of what happened in the past may allow us to speculate about activities of nature\u27s m...