Data from the DECOR coordinate detector on the integrated intensity of muons that have a threshold energy of 1.2 to 2 GeV are analyzed over the zenith-angle interval 60 degrees-90 degrees. Experimental results in these intervals of zenith angles and threshold energies were obtained for the first time. In the interval theta <= 80 degrees, the integrated intensity at E (min) = 1.5 GeV as a function of the cosine of the zenith angle is described by a power-law function characterized by an exponent value of n = 1.884 +/- 0.005, which is close to the value obtained in earlier experiments.
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